diff options
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index d40d78a..920ddf7 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -1170,6 +1170,8 @@ static void InitializePredefinedMacros(const TargetInfo &TI, DefineType("__WCHAR_TYPE__", TI.getWCharType(), Builder); DefineType("__WINT_TYPE__", TI.getWIntType(), Builder); DefineTypeSizeAndWidth("__SIG_ATOMIC", TI.getSigAtomicType(), TI, Builder); + if (LangOpts.C23) + DefineType("__CHAR8_TYPE__", TI.UnsignedChar, Builder); DefineType("__CHAR16_TYPE__", TI.getChar16Type(), Builder); DefineType("__CHAR32_TYPE__", TI.getChar32Type(), Builder); @@ -1349,8 +1351,10 @@ static void InitializePredefinedMacros(const TargetInfo &TI, getLockFreeValue(TI.get##Type##Width(), TI)); DEFINE_LOCK_FREE_MACRO(BOOL, Bool); DEFINE_LOCK_FREE_MACRO(CHAR, Char); - if (LangOpts.Char8) - DEFINE_LOCK_FREE_MACRO(CHAR8_T, Char); // Treat char8_t like char. + // char8_t has the same representation / width as unsigned + // char in C++ and is a typedef for unsigned char in C23 + if (LangOpts.Char8 || LangOpts.C23) + DEFINE_LOCK_FREE_MACRO(CHAR8_T, Char); DEFINE_LOCK_FREE_MACRO(CHAR16_T, Char16); DEFINE_LOCK_FREE_MACRO(CHAR32_T, Char32); DEFINE_LOCK_FREE_MACRO(WCHAR_T, WChar); |