1 // Test this without pch. 2 // RUN: %clang_cc1 %s -include %s -verify -fsyntax-only 3 4 // Test with pch. 5 // RUN: %clang_cc1 %s -emit-pch -o %t 6 // RUN: %clang_cc1 %s -include-pch %t -verify -fsyntax-only 7 8 // expected-no-diagnostics 9 10 #ifndef HEADER 11 #define HEADER 12 13 #pragma clang diagnostic ignored "-Wtautological-compare" 14 15 #else 16 f()17void f() { 18 int a = 0; 19 int b = a==a; 20 } 21 22 #endif 23