Warn on use of __weak attribute on local
variable (objc2 gc specific).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65240 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 51c4790..3130f02 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -1592,6 +1592,11 @@
Diag(D.getIdentifierLoc(), diag::err_as_qualified_auto_decl);
InvalidDecl = true;
}
+
+ if (NewVD->hasLocalStorage() && NewVD->getType().isObjCGCWeak()) {
+ Diag(D.getIdentifierLoc(), diag::warn_attribute_weak_on_local);
+ }
+
// Merge the decl with the existing one if appropriate. If the decl is
// in an outer scope, it isn't the same thing.
if (PrevDecl && isDeclInScope(PrevDecl, DC, S)) {