compnerd updated this revision to Diff 480531. compnerd added a comment. Update to avoid use of the `-0` trick.
CHANGES SINCE LAST ACTION https://reviews.llvm.org/D139266/new/ https://reviews.llvm.org/D139266 Files: clang/lib/Headers/stdatomic.h Index: clang/lib/Headers/stdatomic.h =================================================================== --- clang/lib/Headers/stdatomic.h +++ clang/lib/Headers/stdatomic.h @@ -15,10 +15,12 @@ * * Exclude the MSVC path as well as the MSVC header as of the 14.31.30818 * explicitly disallows `stdatomic.h` in the C mode via an `#error`. Fallback - * to the clang resource header until that is fully supported. + * to the clang resource header until that is fully supported. The + * `stdatomic.h` header requires C++ 23 or newer. */ #if __STDC_HOSTED__ && \ - __has_include_next(<stdatomic.h>) && !(defined(_MSC_VER) && !defined(__cplusplus)) + __has_include_next(<stdatomic.h>) && \ + !(defined(_MSC_VER) && defined(__cplusplus) && __cplusplus < 202002l) # include_next <stdatomic.h> #else
Index: clang/lib/Headers/stdatomic.h =================================================================== --- clang/lib/Headers/stdatomic.h +++ clang/lib/Headers/stdatomic.h @@ -15,10 +15,12 @@ * * Exclude the MSVC path as well as the MSVC header as of the 14.31.30818 * explicitly disallows `stdatomic.h` in the C mode via an `#error`. Fallback - * to the clang resource header until that is fully supported. + * to the clang resource header until that is fully supported. The + * `stdatomic.h` header requires C++ 23 or newer. */ #if __STDC_HOSTED__ && \ - __has_include_next(<stdatomic.h>) && !(defined(_MSC_VER) && !defined(__cplusplus)) + __has_include_next(<stdatomic.h>) && \ + !(defined(_MSC_VER) && defined(__cplusplus) && __cplusplus < 202002l) # include_next <stdatomic.h> #else
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