1 files changed, 75 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/synchronized.m b/clang/test/SemaObjC/synchronized.m
new file mode 100644
index 00000000000..365da92dd4b
--- /dev/null
+++ b/clang/test/SemaObjC/synchronized.m
@@ -0,0 +1,75 @@
+// RUN: clang -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
+
+typedef float CGFloat;
+typedef struct { int a; } NSFastEnumerationState;
+
+@protocol NSFastEnumeration 
+- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
+@end
+
+typedef unsigned short unichar;
+
+@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding>
+- (NSUInteger)length;
+@end
+
+@interface NSSimpleCString : NSString {} @end
+
+@interface NSConstantString : NSSimpleCString @end
+
+extern void *_NSConstantStringClassReference;
+
+@interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
+- (NSUInteger)count;
+@end
+
+@interface NSMutableDictionary : NSDictionary
+- (void)removeObjectForKey:(id)aKey;
+@end
+
+@class NSArray, NSSet, NSHashTable;
+
+@protocol PBXTrackableTask <NSObject>
+- (float) taskPercentComplete;
+- taskIdentifier;
+@end
+
+@interface PBXTrackableTaskManager : NSObject {
+  NSMutableDictionary *_trackableTasks;
+}
+@end
+
+NSString *XCExecutableDebugTaskIdentifier = @"XCExecutableDebugTaskIdentifier";
+
+@implementation PBXTrackableTaskManager
+- (id) init {}
+- (void) unregisterTask:(id <PBXTrackableTask>) task {
+  @synchronized (self) {
+  id taskID = [task taskIdentifier];
+  id task = [_trackableTasks objectForKey:taskID]; // expected-warning{{method '-objectForKey:' not found (return type defaults to 'id')}}
+  }
+}
+@end
+