1*67e74705SXin Li// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2*67e74705SXin Li 3*67e74705SXin Li@interface A { 4*67e74705SXin Li id xxx; 5*67e74705SXin Li} 6*67e74705SXin Li-(int)bar; 7*67e74705SXin Li@end 8*67e74705SXin Li@implementation A 9*67e74705SXin Li-(int)bar { 10*67e74705SXin Li return xxx == xxx; // expected-warning {{self-comparison always evaluates to true}} 11*67e74705SXin Li} 12*67e74705SXin Li@end 13