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| author | Jon Roelofs <jonathan_roelofs@apple.com> | 2025-01-27 08:49:32 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-01-27 08:49:32 -0800 |
| commit | 73db9ee1e87b4cfccbc9d67d2b47d9476f92413f (patch) | |
| tree | 4704c23c9efd3a9e165e808a129f5ba1c784d7aa /clang/lib/Sema/SemaDecl.cpp | |
| parent | 73f9034036c942058827877a657d72071dd766e7 (diff) | |
| download | llvm-73db9ee1e87b4cfccbc9d67d2b47d9476f92413f.zip llvm-73db9ee1e87b4cfccbc9d67d2b47d9476f92413f.tar.gz llvm-73db9ee1e87b4cfccbc9d67d2b47d9476f92413f.tar.bz2 | |
[clang][Sema][FMV] Add a note to the 'cannot become multiversioned' diagnostic (#124364)
... pointing out the previous declaration.
Diffstat (limited to 'clang/lib/Sema/SemaDecl.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index c3ff247..fe68ead 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -11380,8 +11380,11 @@ static bool CheckMultiVersionAdditionalRules(Sema &S, const FunctionDecl *OldFD, return true; // Only allow transition to MultiVersion if it hasn't been used. - if (OldFD && CausesMV && OldFD->isUsed(false)) - return S.Diag(NewFD->getLocation(), diag::err_multiversion_after_used); + if (OldFD && CausesMV && OldFD->isUsed(false)) { + S.Diag(NewFD->getLocation(), diag::err_multiversion_after_used); + S.Diag(OldFD->getLocation(), diag::note_previous_declaration); + return true; + } return S.areMultiversionVariantFunctionsCompatible( OldFD, NewFD, S.PDiag(diag::err_multiversion_noproto), |