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-rw-r--r--clang/lib/Sema/Sema.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index 2a3be84263c..c2622ecab4b 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -865,8 +865,11 @@ void Sema::ActOnEndOfTranslationUnit() {
Diag(DiagD->getLocation(), diag::warn_unneeded_internal_decl)
<< /*variable*/1 << DiagD->getDeclName();
} else if (DiagD->getType().isConstQualified()) {
- Diag(DiagD->getLocation(), diag::warn_unused_const_variable)
- << DiagD->getDeclName();
+ const SourceManager &SM = SourceMgr;
+ if (SM.getMainFileID() != SM.getFileID(DiagD->getLocation()) ||
+ !PP.getLangOpts().IsHeaderFile)
+ Diag(DiagD->getLocation(), diag::warn_unused_const_variable)
+ << DiagD->getDeclName();
} else {
Diag(DiagD->getLocation(), diag::warn_unused_variable)
<< DiagD->getDeclName();
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