1 files changed, 84 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/weak-attr-ivar.m b/clang/test/SemaObjC/weak-attr-ivar.m
new file mode 100644
index 0000000..e3d96da
--- /dev/null
+++ b/clang/test/SemaObjC/weak-attr-ivar.m
@@ -0,0 +1,84 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+typedef signed char BOOL;
+typedef unsigned int NSUInteger;
+typedef struct _NSZone NSZone;
+@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
+@protocol NSObject
+- (BOOL)isEqual:(id)object;
+@end
+@protocol NSCopying  - (id)copyWithZone:(NSZone *)zone;
+@end
+@protocol NSMutableCopying  - (id)mutableCopyWithZone:(NSZone *)zone;
+@end
+@protocol NSCoding  - (void)encodeWithCoder:(NSCoder *)aCoder;
+@end
+@interface NSObject <NSObject> {}
+@end
+extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
+typedef struct {
+  id *itemsPtr;
+  unsigned long *mutationsPtr;
+} NSFastEnumerationState;
+@protocol NSFastEnumeration
+- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
+@end
+@class NSString;
+@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>  - (NSUInteger)count;
+@end
+@interface NSMutableArray : NSArray  - (void)addObject:(id)anObject;
+@end
+extern NSString * const NSUndoManagerCheckpointNotification;
+@interface NSValueTransformer : NSObject {} @end
+@class FooModel;
+@interface FooObject : NSObject <NSCopying> {}
+@end
+@interface FooNode : FooObject {}
+- (NSArray *) children;
+@end
+typedef enum { Foo_HUH_NONE } FooHUHCode;
+@interface FooPlaypenEntry : FooNode {
+  NSMutableArray *_interestingChildren;
+  FooHUHCode _HUH;
+  __attribute__((objc_gc(weak))) FooPlaypenEntry *_mostInterestingChild;
+  id _author;
+}
+@property(copy) NSString *author;
+- (BOOL) isInteresting;
+@end  NSString *FooHUHCodeToString(FooHUHCode HUH) { return 0; }
+@interface FooHUHCodeToStringTransformer: NSValueTransformer {
+}
+@end  @implementation FooPlaypenEntry  @synthesize author = _author;
+- (BOOL) isInteresting { return 1; }
+- (NSArray *) interestingChildren {
+  if (!_interestingChildren) {
+    for (FooPlaypenEntry *child in [self children]) {
+      if ([child isInteresting]) {
+        if (!_mostInterestingChild)
+          _mostInterestingChild = child;
+        else if (child->_HUH > _mostInterestingChild->_HUH) 
+          _mostInterestingChild = child;
+      }
+    }
+  }
+  return 0;
+}
+- (FooHUHCode) HUH {
+  if (_HUH == Foo_HUH_NONE) {
+    if (_mostInterestingChild)
+      return [_mostInterestingChild HUH];
+  }
+  return 0;
+}
+@end
+
+// rdar://problem/9123040
+@interface Test1 {
+@public
+  id ivar __attribute__((objc_gc(weak)));
+}
+@property (assign) id prop __attribute((objc_gc(weak)));
+@end
+void test1(Test1 *t) {
+  id *(__attribute__((objc_gc(strong))) x) = &t->ivar; // expected-warning {{initializing '__strong id *' with an expression of type '__weak id *' discards qualifiers}}
+}