[Objective-C Sema]. Warn when an indirectly overridden property

mismatches the one declared in current class; in addition to
those that are directly overridden. 
// rdar://15967517

llvm-svn: 201446

1 files changed, 26 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/property-inherited.m b/clang/test/SemaObjC/property-inherited.m
index f5f1b420c22..cd223ddd1ff 100644
--- a/clang/test/SemaObjC/property-inherited.m
+++ b/clang/test/SemaObjC/property-inherited.m
@@ -44,3 +44,29 @@
 @property(assign) Data *p_base;	
 @property(assign) NSData *p_data;	// expected-warning{{property type 'NSData *' is incompatible with type 'NSMutableData *' inherited from 'Base'}}
 @end
+
+// rdar://15967517
+@protocol P1
+@property (nonatomic) void* selected;
+@end
+
+@protocol P2
+@property (nonatomic) void* selected; // expected-note {{property declared here}}
+@end
+
+@interface MKAnnotationView <P1>
+@property (nonatomic) void* selected; // expected-note {{property declared here}}
+@property (nonatomic) char selected2;
+@end
+
+@interface Parent : MKAnnotationView <P2>
+@property (nonatomic) void* selected1; // expected-note {{property declared here}}
+@property (nonatomic) char selected2;
+@end
+
+@interface Child : Parent
+@property (nonatomic) char selected; // expected-warning {{property type 'char' is incompatible with type 'void *' inherited from 'MKAnnotationView'}} \
+				     // expected-warning {{property type 'char' is incompatible with type 'void *' inherited from 'P2'}}
+@property (nonatomic) char selected1; // expected-warning {{property type 'char' is incompatible with type 'void *' inherited from 'Parent'}}
+@property (nonatomic) char selected2;
+@end