================ @@ -0,0 +1,17 @@ +// RUN: %clang_cc1 -verify -fsyntax-only %s + +int __attribute__((not_tail_called)) foo1(int a) { + return a + 1; +} + + +int foo2(int a) { + [[clang::musttail]] + return foo1(a); // expected-error {{cannot perform a tail call to function 'foo1' because its signature is incompatible with the calling function}} ---------------- erichkeane wrote:
In `SemaStmt.cpp` right after the line: `Diag(St->getBeginLoc(), diag::err_musttail_mismatch) << true << CalleeDecl;` You can do: `Diag(<get location of not_tail_called_attribute>, diag::note_<your new diag>);` https://github.com/llvm/llvm-project/pull/134465 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits