================
@@ -1165,6 +1165,8 @@ 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.Char8 || LangOpts.C23)
+ DefineType("__CHAR8_TYPE__", TI.UnsignedChar, Builder);
----------------
AaronBallman wrote:
Hmmm that is surprising, because it expands to `unsigned char` and not
`char8_t` there: https://godbolt.org/z/Y96bPbj8e and this seems to have changed
between GCC 8 and GCC 9: https://godbolt.org/z/EaEPKr59E
It may be worth opening a GCC bug to see if this was intentional or not.
https://github.com/llvm/llvm-project/pull/97208
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