1 files changed, 74 insertions, 0 deletions
diff --git a/test/SemaObjC/ivar-lookup.m b/test/SemaObjC/ivar-lookup.m
index df9d8ba..938c8eb 100644
--- a/test/SemaObjC/ivar-lookup.m
+++ b/test/SemaObjC/ivar-lookup.m
@@ -80,3 +80,77 @@ extern struct foo x;
   int IVAR; // expected-error {{instance variable is already declared}}
 }
 @end
+
+// PR5984
+// rdar://14037151
+@interface Radar14037151 {
+  int myStatus;
+}
+- (int) test;
+@end
+
+@implementation Radar14037151
+- (int) test
+{
+  myStatus = 1;     // works
+   __typeof(myStatus) __in;  // works.
+  union U {
+    __typeof(myStatus) __in;  // fails.
+  };
+  struct S {
+    __typeof(myStatus) __in;  // fails.
+    struct S1 {
+      __typeof(myStatus) __in;  // fails.
+      struct S {
+        __typeof(myStatus) __in;  // fails.
+      };
+    };
+  };
+
+  return 0;
+}
+@end
+
+// rdar://14278560
+@class NSString, NSData, NSNumber;
+
+@interface NSObject
+{
+  Class isa;
+}
+@end
+
+@interface Foo
+{
+  int a;
+  NSString* b;
+  NSData* c;
+}
+@end
+
+@interface Bar : Foo
+@end
+
+@interface Bar () {
+	NSString *q_strong;
+	NSNumber *r_strong;
+	int d; // expected-note {{previous definition is here}}
+	NSString *e_strong; // expected-note {{previous definition is here}}
+	NSData *f_weak; // expected-note {{previous definition is here}}
+	int g; // expected-note 2 {{previous definition is here}}
+}
+@end
+
+@interface Bar () {
+	int g; // expected-note {{previous definition is here}} \
+               // expected-error {{instance variable is already declared}}
+}
+@end
+
+@implementation Bar {
+	int d; // expected-error {{instance variable is already declared}}
+	NSString *e_strong; // expected-error {{instance variable is already declared}}
+	NSData *f_weak; // expected-error {{instance variable is already declared}}
+	NSData *g; // expected-error 2 {{instance variable is already declared}}
+}
+@end