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-rw-r--r--lib/Sema/SemaDeclAttr.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index 4bf55dd7f0..57d1cc7fa0 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -555,8 +555,11 @@ static void HandleObjCGCAttr(Decl *d, const AttributeList &Attr, Sema &S) {
ObjCGCAttr::GCAttrTypes type;
- if (Attr.getParameterName()->isName("weak"))
+ if (Attr.getParameterName()->isName("weak")) {
+ if (isa<FieldDecl>(d))
+ S.Diag(Attr.getLoc(), diag::warn_attribute_weak_on_field);
type = ObjCGCAttr::Weak;
+ }
else if (Attr.getParameterName()->isName("strong"))
type = ObjCGCAttr::Strong;
else {