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1// RUN: %clang_cc1 %s -verify2 3typedef signed char BOOL;4#define YES __objc_yes5#define NO __objc_no6 7BOOL B;8 9void test(void) {10 int r;11 r = B > 0;12 r = B > 1; // expected-warning {{result of comparison of constant 1 with expression of type 'BOOL' is always false, as the only well defined values for 'BOOL' are YES and NO}}13 r = B < 1;14 r = B < 0; // expected-warning {{result of comparison of constant 0 with expression of type 'BOOL' is always false, as the only well defined values for 'BOOL' are YES and NO}}15 r = B >= 0; // expected-warning {{result of comparison of constant 0 with expression of type 'BOOL' is always true, as the only well defined values for 'BOOL' are YES and NO}}16 r = B <= 0;17 18 r = B > YES; // expected-warning {{result of comparison of constant YES with expression of type 'BOOL' is always false, as the only well defined values for 'BOOL' are YES and NO}}19 r = B > NO;20 r = B < NO; // expected-warning {{result of comparison of constant NO with expression of type 'BOOL' is always false, as the only well defined values for 'BOOL' are YES and NO}}21 r = B < YES;22 r = B >= NO; // expected-warning {{result of comparison of constant NO with expression of type 'BOOL' is always true, as the only well defined values for 'BOOL' are YES and NO}}23 r = B <= NO;24}25