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diff --git a/clang/test/SemaObjC/class-conforming-protocol-1.m b/clang/test/SemaObjC/class-conforming-protocol-1.m
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+++ b/clang/test/SemaObjC/class-conforming-protocol-1.m
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+// RUN: %clang_cc1 -Wduplicate-method-match -fsyntax-only -verify %s
+
+@protocol P1 @end
+@protocol P2 @end
+@protocol P3 @end
+
+@interface INTF
+- (INTF*) METH1; // expected-note {{previous declaration is here}}
+- (INTF<P1>*) METH1; // expected-error {{duplicate declaration of method 'METH1'}}
+
+- (INTF<P2,P1>*) METH2; // expected-note {{previous declaration is here}}
+- (INTF<P2,P1,P3>*) METH2; // expected-error {{duplicate declaration of method 'METH2'}}
+
+- (INTF<P2,P1,P3>*) METH3; // expected-note {{previous declaration is here}}
+- (INTF<P3,P1,P2, P3>*) METH3; // expected-warning {{multiple declarations of method 'METH3' found and ignored}}
+
+@end
+
+INTF<P2,P1,P3>* p1;
+