================
@@ -717,6 +717,13 @@ bool Sema::checkMustTailAttr(const Stmt *St, const Attr
&MTA) {
return false;
}
+ if (const FunctionDecl *CalleeDecl = CE->getDirectCallee();
+ CalleeDecl && CalleeDecl->hasAttr<NotTailCalledAttr>()) {
+ Diag(St->getBeginLoc(), diag::err_musttail_mismatch) <<
/*show-function-callee=*/true << CalleeDecl;
+ Diag(CalleeDecl->getLocation(),
diag::note_musttail_disabled_by_not_tail_called) << CalleeDecl;
----------------
AaronBallman wrote:
I don't feel strongly about reusing the existing diagnostic, this new note is
fine by me.
https://github.com/llvm/llvm-project/pull/134465
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