Don't warn if result/argument type of an implemented

method is a qualified id which conforms to the matching type
of its method declaration.

llvm-svn: 71817

1 files changed, 22 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/class-conforming-protocol-2.m b/clang/test/SemaObjC/class-conforming-protocol-2.m
new file mode 100644
index 00000000000..7b218bdbd80
--- /dev/null
+++ b/clang/test/SemaObjC/class-conforming-protocol-2.m
@@ -0,0 +1,22 @@
+// RUN: clang-cc  -fsyntax-only -verify %s
+
+@protocol NSWindowDelegate @end
+
+@interface NSWindow
+- (void)setDelegate:(id <NSWindowDelegate>)anObject;
+- (id <NSWindowDelegate>) delegate;
+@end
+
+@protocol IBStringsTableWindowDelegate <NSWindowDelegate>
+@end
+
+@interface IBStringsTableWindow : NSWindow {}
+@end
+
+@implementation IBStringsTableWindow
+- (void)setDelegate:(id <IBStringsTableWindowDelegate>)delegate {
+}
+- (id <IBStringsTableWindowDelegate>)delegate {
+        return 0;
+}
+@end