Ignore weak import on properties.

llvm-svn: 67205

clang/lib/Sema/SemaDeclAttr.cpp

@@ -761,6 +761,8 @@ static void HandleWeakImportAttr(Decl *D, const AttributeList &Attr, Sema &S) {
     isDef = (!VD->hasExternalStorage() || VD->getInit());
   } else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
     isDef = FD->getBody();
+  } else if (isa<ObjCPropertyDecl>(D)) {
+    // We ignore weak import on properties
   } else {
     S.Diag(Attr.getLoc(), diag::warn_attribute_wrong_decl_type)
     << "weak_import" << 2 /*variable and function*/;

clang/test/SemaObjC/property-weak.m

@@ -0,0 +1,5 @@
+// RUN: clang -triple i386-apple-darwin9 -fsyntax-only -verify %s
+
+@interface foo
+@property(nonatomic) int foo __attribute__((weak_import));
+@end