=> "/opt/pkg/bin/bmake" ["-C", "/Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/lang/libcxxabi", "all", "BATCH=1", "DEPENDS_TARGET=/nonexistent"]
===> Building for libcxxabi-21.1.8
[  2%] Copying CXXABI header cxxabi.h
[  5%] Copying CXXABI header __cxxabi_config.h
[  5%] Built target generate-cxxabi-headers
[  7%] Building CXX object src/CMakeFiles/cxxabi_shared_objects.dir/cxa_default_handlers.cpp.o
[ 10%] Building CXX object src/CMakeFiles/cxxabi_shared_objects.dir/cxa_aux_runtime.cpp.o
[ 13%] Building CXX object src/CMakeFiles/cxxabi_static_objects.dir/cxa_aux_runtime.cpp.o
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:12:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:88:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__cstddef/size_t.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:51:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:83:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception.h:24:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:80:27: note: expanded from here
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:83:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception.h:24:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:80:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__cstddef/nullptr_t.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__cstddef/nullptr_t.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:117:27: note: expanded from here
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:117:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/operations.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/operations.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:136:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:136:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:15:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/addressof.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:15:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/addressof.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:155:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:155:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assert:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assertion_handler:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__log_hardening_failure:23:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assert:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assertion_handler:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__log_hardening_failure:23:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:178:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
<scratch space>:178:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assert:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assertion_handler:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__verbose_abort:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assert:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assertion_handler:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__verbose_abort:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:197:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:197:27: note: expanded from here
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assert:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assertion_handler:21:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__verbose_trap:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:5:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assert:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assertion_handler:21:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__verbose_trap:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/placement_new_delete.h:13:
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__cstddef/size_t.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
<scratch space>:5:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:26:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/placement_new_delete.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__cstddef/size_t.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:26:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:17:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/enable_if.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:57:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:17:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/enable_if.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:57:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:18:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_array.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/integral_constant.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:81:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:18:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_array.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/integral_constant.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:81:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_array.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_array.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:106:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:106:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/declval.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/declval.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:125:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:125:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/forward.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_reference.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/forward.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:155:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_reference.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:155:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/forward.h:15:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/remove_reference.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:11:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/forward.h:15:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/remove_reference.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:11:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/forward.h:21:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/forward.h:21:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
<scratch space>:31:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:31:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:29:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:29:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:71:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:71:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:17:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/decay.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:17:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/decay.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:123:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:123:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_pointer.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_pointer.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:142:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:142:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:12:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/enable_if.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:52:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:12:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_integral.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/integral_constant.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:76:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:12:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_integral.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/remove_cv.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:101:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:12:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_integral.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:120:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:12:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:140:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:12:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:104:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:27:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:83:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception.h:24:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:46:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__cstddef/nullptr_t.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:83:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/operations.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:102:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:15:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/addressof.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:121:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assert:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assertion_handler:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__log_hardening_failure:23:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:144:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assert:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assertion_handler:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__verbose_abort:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:2:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assert:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__assertion_handler:21:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__verbose_trap:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:21:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_array.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:54:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/declval.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:73:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/forward.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_reference.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:103:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/forward.h:15:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/remove_reference.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:124:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/forward.h:21:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:144:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:16:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/construct_at.h:29:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:11:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:17:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/decay.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:63:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_pointer.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:82:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/typeinfo:66:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_constant_evaluated.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:101:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:19:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_integral.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/remove_cv.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:127:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:19:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/typeinfo:68:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_integral.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/remove_cv.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdint:156:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:127:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:19:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:19:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_integral.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_integral.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:127:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:12:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
                          ^
<scratch space>:12:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:19:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:19:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:90:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/stdlib.h:109:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__math/abs.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:32:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:32:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:104:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:87:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdlib:104:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:87:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/typeinfo:66:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_constant_evaluated.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/typeinfo:66:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_constant_evaluated.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
<scratch space>:106:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/typeinfo:68:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdint:156:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
<scratch space>:106:27: note: expanded from here
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/typeinfo:379:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:132:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
                          ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:218:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/typeinfo:68:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/cstdint:156:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:56:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:21:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:132:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_base_of.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:67:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_class.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:86:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/typeinfo:379:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:3:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_constructible.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/add_reference.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:56:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:105:27: note: expanded from here
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:25:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_constructible.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/typeinfo:379:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
<scratch space>:124:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:3:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:84:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:21:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/exception_ptr.h:56:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:143:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:25:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:21:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:32:99: error: '_Tp' does not refer to a value
struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_convertible : bool_constant<__is_nothrow_convertible(_Tp, _Up)> {};
                                                                                                  ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:31:17: note: declared here
template <class _Tp, class _Up>
                ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:32:104: error: '_Up' does not refer to a value
struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_convertible : bool_constant<__is_nothrow_convertible(_Tp, _Up)> {};
                                                                                                       ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:31:28: note: declared here
template <class _Tp, class _Up>
                           ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:35:102: error: '_Tp' does not refer to a value
_LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_convertible_v = __is_nothrow_convertible(_Tp, _Up);
                                                                                                     ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:34:17: note: declared here
template <class _Tp, class _Up>
                ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:35:107: error: '_Up' does not refer to a value
_LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_convertible_v = __is_nothrow_convertible(_Tp, _Up);
                                                                                                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:34:28: note: declared here
template <class _Tp, class _Up>
                           ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:22:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_final.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_base_of.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:2:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:71:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:23:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_polymorphic.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:21:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_class.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:90:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:30:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_constructible.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/add_reference.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:109:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:40:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_constructible.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:128:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_base_of.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:71:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:21:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:19:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_class.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
                                                  ^
<scratch space>:147:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:90:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:21:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:32:99: error: '_Tp' does not refer to a value
struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_convertible : bool_constant<__is_nothrow_convertible(_Tp, _Up)> {};
                                                                                                  ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:31:17: note: declared here
template <class _Tp, class _Up>
                ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:32:104: error: '_Up' does not refer to a value
struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_convertible : bool_constant<__is_nothrow_convertible(_Tp, _Up)> {};
                                                                                                       ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:31:28: note: declared here
template <class _Tp, class _Up>
                           ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:35:102: error: '_Tp' does not refer to a value
_LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_convertible_v = __is_nothrow_convertible(_Tp, _Up);
                                                                                                     ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:34:17: note: declared here
template <class _Tp, class _Up>
                ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:35:107: error: '_Up' does not refer to a value
_LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_convertible_v = __is_nothrow_convertible(_Tp, _Up);
                                                                                                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:34:28: note: declared here
template <class _Tp, class _Up>
                           ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:22:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_final.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_constructible.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/add_reference.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
                                                  ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
<scratch space>:5:27: note: expanded from here
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
<scratch space>:109:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:23:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_polymorphic.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:20:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_constructible.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:13:
_LIBCPP_BEGIN_NAMESPACE_STD
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:87:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/terminate.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:86:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
                                                  ^
<scratch space>:128:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:24:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:93:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/align_val_t.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:30:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:21:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
<scratch space>:105:27: note: expanded from here
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:147:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:21:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:32:99: error: '_Tp' does not refer to a value
struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_convertible : bool_constant<__is_nothrow_convertible(_Tp, _Up)> {};
                                                                                                  ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:31:17: note: declared here
template <class _Tp, class _Up>
                ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:32:104: error: '_Up' does not refer to a value
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:43:27: note: expanded from here
struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_convertible : bool_constant<__is_nothrow_convertible(_Tp, _Up)> {};
                                                                                                       ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:31:28: note: declared here
template <class _Tp, class _Up>
                           ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:35:102: error: '_Tp' does not refer to a value
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
_LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_convertible_v = __is_nothrow_convertible(_Tp, _Up);
                                                                                                     ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:34:17: note: declared here
template <class _Tp, class _Up>
                ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:35:107: error: '_Up' does not refer to a value
_LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_convertible_v = __is_nothrow_convertible(_Tp, _Up);
                                                                                                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_convertible.h:34:28: note: declared here
template <class _Tp, class _Up>
                           ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:22:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_final.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:5:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:23:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_polymorphic.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__cstddef/max_align_t.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:129:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:24:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:85:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/nested_exception.h:30:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:87:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/terminate.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/global_new_delete.h:15:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/exceptions.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:43:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:89:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:148:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:93:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/align_val_t.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:108:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/global_new_delete.h:16:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/nothrow_t.h:21:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__cstddef/max_align_t.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/exception:87:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__exception/terminate.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:127:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:8:27: note: expanded from here
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
                                                  ^
<scratch space>:89:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/global_new_delete.h:15:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/exceptions.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:93:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/align_val_t.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:146:27: note: expanded from here
<scratch space>:108:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:17:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/type_identity.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__cstddef/max_align_t.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:27:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:127:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/element_count.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:46:27: note: expanded from here
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/global_new_delete.h:15:
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/exceptions.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:24:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/global_new_delete.h:16:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/nothrow_t.h:21:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:9:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:146:27: note: expanded from here
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:65:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:17:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/type_identity.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:16:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/global_new_delete.h:16:
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/nothrow_t.h:21:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:28:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:97:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/new_handler.h:21:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:18:
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:96:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/element_count.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:9:27: note: expanded from here
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:47:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:24:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:102:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/interference_size.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:115:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
<scratch space>:66:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:103:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/launder.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_function.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:134:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:17:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/type_identity.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:97:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/new_handler.h:21:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
                                                  ^
<scratch space>:28:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:18:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__utility/element_count.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:97:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:103:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/launder.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_void.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:5:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:103:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/launder.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:102:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/interference_size.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:47:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:94:
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/allocate.h:24:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
<scratch space>:24:27: note: expanded from here
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
<scratch space>:116:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:103:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/launder.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_function.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                                  ^
<scratch space>:66:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:135:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:107:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/destroying_delete_t.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:49:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:103:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/launder.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_void.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:6:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:103:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/launder.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:97:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/new_handler.h:21:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:25:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:97:27: note: expanded from here
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:107:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/destroying_delete_t.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:50:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:102:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/interference_size.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:116:27: note: expanded from here
48 warnings and 4 errors generated.
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:103:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/launder.h:13:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_function.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:135:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:103:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/launder.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_void.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:6:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:103:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/launder.h:20:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:25:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_aux_runtime.cpp:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/new:107:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__new/destroying_delete_t.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:50:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/src/include/atomic_support.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/memory:945:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/align.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:71:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
48 warnings and 4 errors generated.
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/src/include/atomic_support.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/memory:946:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocator.h:14:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__cstddef/ptrdiff_t.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:90:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/src/include/atomic_support.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/memory:946:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocator.h:17:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocate_at_least.h:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocator_traits.h:15:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__fwd/memory.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:109:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/src/include/atomic_support.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/memory:946:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocator.h:17:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocate_at_least.h:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocator_traits.h:17:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/pointer_traits.h:16:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/conditional.h:18:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:128:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/src/include/atomic_support.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/memory:946:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocator.h:17:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocate_at_least.h:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocator_traits.h:17:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/pointer_traits.h:17:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/conjunction.h:16:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/is_same.h:19:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:2:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/src/cxa_default_handlers.cpp:20:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/src/include/atomic_support.h:13:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/memory:946:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocator.h:17:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocate_at_least.h:14:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/allocator_traits.h:17:
In file included from /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__memory/pointer_traits.h:17:
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__type_traits/conjunction.h:22:1: warning: unknown warning group '-Wc++23-extensions', ignored [-Wunknown-warning-option]
_LIBCPP_BEGIN_NAMESPACE_STD
^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:599:39: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
#  define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE {
                                      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:595:5: note: expanded from macro '_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD'
    _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std {
    ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:573:7: note: expanded from macro '_LIBCPP_PUSH_EXTENSION_DIAGNOSTICS'
      _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions")                                                           \
      ^
/var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/../libcxx/include/__config:460:51: note: expanded from macro '_LIBCPP_CLANG_DIAGNOSTIC_IGNORED'
--- src/CMakeFiles/cxxabi_static_objects.dir/cxa_aux_runtime.cpp.o ---
*** [src/CMakeFiles/cxxabi_static_objects.dir/cxa_aux_runtime.cpp.o] Error code 1

bmake[2]: stopped making "src/CMakeFiles/cxxabi_static_objects.dir/build" in /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/cmake-pkgsrc-build
bmake[2]: 1 error

bmake[2]: stopped making "src/CMakeFiles/cxxabi_static_objects.dir/build" in /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/cmake-pkgsrc-build
#    define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
                                                  ^
<scratch space>:21:27: note: expanded from here
 clang diagnostic ignored "-Wc++23-extensions"
                          ^
--- src/CMakeFiles/cxxabi_static_objects.dir/all ---
*** [src/CMakeFiles/cxxabi_static_objects.dir/all] Error code 2

bmake[1]: stopped making "all" in /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/cmake-pkgsrc-build
--- src/CMakeFiles/cxxabi_shared_objects.dir/all ---
*** [src/CMakeFiles/cxxabi_shared_objects.dir/all] Error code 6

bmake[1]: stopped making "all" in /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/cmake-pkgsrc-build
bmake[1]: 2 errors

bmake[1]: stopped making "all" in /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/cmake-pkgsrc-build
*** [all] Error code 2

bmake: stopped making "all" in /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/cmake-pkgsrc-build
bmake: 1 error

bmake: stopped making "all" in /var/tmp/work/lang/libcxxabi/work/llvm-project-21.1.8.src/libcxxabi/cmake-pkgsrc-build
*** Error code 2

Stop.
bmake[1]: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/lang/libcxxabi
*** Error code 1

Stop.
bmake: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/lang/libcxxabi