1 files changed, 23 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 0000000..a3bd0b1
--- /dev/null
+++ b/clang/test/SemaObjC/class-conforming-protocol-2.m
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify %s
+
+@protocol NSWindowDelegate @end
+
+@protocol IBStringsTableWindowDelegate <NSWindowDelegate>
+@end
+
+@interface NSWindow
+- (void)setDelegate:(id <NSWindowDelegate>)anObject; // expected-note {{previous definition is here}}
+- (id <IBStringsTableWindowDelegate>) delegate; // expected-note {{previous definition is here}}
+@end
+
+
+@interface IBStringsTableWindow : NSWindow {}
+@end
+
+@implementation IBStringsTableWindow
+- (void)setDelegate:(id <IBStringsTableWindowDelegate>)delegate { // expected-warning {{conflicting parameter types in implementation of 'setDelegate:'}}
+}
+- (id <NSWindowDelegate>)delegate { // expected-warning {{conflicting return type in implementation of 'delegate':}}
+        return 0;
+}
+@end