1 files changed, 27 insertions, 0 deletions
diff --git a/test/SemaObjC/overriding-property-in-class-extension.m b/test/SemaObjC/overriding-property-in-class-extension.m
new file mode 100644
index 0000000000000..77efd556928cd
--- /dev/null
+++ b/test/SemaObjC/overriding-property-in-class-extension.m
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1  -fsyntax-only -verify -Weverything %s
+// expected-no-diagnostics
+// rdar://12103434
+
+@class NSString;
+
+@interface NSObject @end
+
+@interface MyClass  : NSObject
+
+@property (nonatomic, copy, readonly) NSString* name;
+
+@end
+
+@interface MyClass () {
+    NSString* _name;
+}
+
+@property (nonatomic, copy) NSString* name;
+
+@end
+
+@implementation MyClass
+
+@synthesize name = _name;
+
+@end