================
@@ -1767,10 +1780,16 @@ static bool CheckConstexprParameterTypes(Sema &SemaRef,
/// true. If not, produce a suitable diagnostic and return false.
static bool CheckConstexprReturnType(Sema &SemaRef, const FunctionDecl *FD,
Sema::CheckConstexprKind Kind) {
- if (CheckLiteralType(SemaRef, Kind, FD->getLocation(), FD->getReturnType(),
- diag::err_constexpr_non_literal_return,
- FD->isConsteval()))
+ if (CheckLiteralType(
+ SemaRef, Kind, FD->getLocation(), FD->getReturnType(),
+ SemaRef.getLangOpts().CPlusPlus23
+ ? diag::warn_cxx23_compat_constexpr_non_literal_return
+ : diag::ext_constexpr_non_literal_return,
+ FD->isConsteval())) {
+ if (SemaRef.getLangOpts().CPlusPlus23)
+ return true;
return false;
+ }
----------------
cor3ntin wrote:
ditto
https://github.com/llvm/llvm-project/pull/77753
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