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[libc++] Fix disabling of extension warnings in C++20 and later #134989

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Merged
merged 1 commit into from
May 10, 2025
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[libc++] Fix disabling of extension warnings in C++20 and later #134989

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6 changes: 3 additions & 3 deletions libcxx/include/__config
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Original file line number Diff line number Diff line change
Expand Up @@ -538,9 +538,9 @@ typedef __char32_t char32_t;
# endif

// Clang modules take a significant compile time hit when pushing and popping diagnostics.
// Since all the headers are marked as system headers in the modulemap, we can simply disable this
// pushing and popping when building with clang modules.
# if !__has_feature(modules)
// Since all the headers are marked as system headers unless _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER is defined, we can
// simply disable this pushing and popping when _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER isn't defined.
# ifdef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
# define _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS \
_LIBCPP_DIAGNOSTIC_PUSH \
_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++11-extensions") \
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