1fc51bc1cSRichard Trieu// RUN: %clang_cc1 -fsyntax-only -verify -Wnull-arithmetic %s 2701fb36bSRichard Trieu#define NULL __null 3701fb36bSRichard Trieu 4701fb36bSRichard Trieu@interface X 5701fb36bSRichard Trieu@end 6701fb36bSRichard Trieu 7701fb36bSRichard Trieuvoid f() { 8701fb36bSRichard Trieu bool b; 9701fb36bSRichard Trieu X *d; 10*5e9746f5SRichard Smith b = d < NULL || NULL < d || d > NULL || NULL > d; // expected-error 4{{ordered comparison between pointer and zero}} 11*5e9746f5SRichard Smith b = d <= NULL || NULL <= d || d >= NULL || NULL >= d; // expected-error 4{{ordered comparison between pointer and zero}} 12701fb36bSRichard Trieu b = d == NULL || NULL == d || d != NULL || NULL != d; 13701fb36bSRichard Trieu} 14