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();
--- /dev/null
+// RUN: %clang_cc1 -fsyntax-only -Wunused-const-variable -x c-header -ffreestanding -verify %s
+// RUN: %clang_cc1 -fsyntax-only -Wunused-const-variable -x c++-header -ffreestanding -verify %s
+// expected-no-diagnostics
+static const int unused[] = { 2, 3, 5, 7, 11, 13 };