================
@@ -3863,6 +3863,18 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl,
unsigned BuiltinID,
return ExprError();
break;
+ case Builtin::BI__builtin_stdc_memreverse8:
+ case Builtin::BIstdc_memreverse8u8:
+ case Builtin::BIstdc_memreverse8u16:
+ case Builtin::BIstdc_memreverse8u32:
+ case Builtin::BIstdc_memreverse8u64:
+ if (Context.getTargetInfo().getCharWidth() != 8) {
+ Diag(TheCall->getBeginLoc(), diag::err_builtin_requires_char_bit_8)
----------------
AaronBallman wrote:
I agree with the code but I also don't think we have a way to test it either;
we don't have options to let you control `CHAR_BIT` and we don't have targets
that aren't 8-bit currently.
https://github.com/llvm/llvm-project/pull/197358
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