xref: /aosp_15_r20/external/clang/test/PCH/pragma-diag.c (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // Test this without pch.
2*67e74705SXin Li // RUN: %clang_cc1 %s -include %s -verify -fsyntax-only
3*67e74705SXin Li 
4*67e74705SXin Li // Test with pch.
5*67e74705SXin Li // RUN: %clang_cc1 %s -emit-pch -o %t
6*67e74705SXin Li // RUN: %clang_cc1 %s -include-pch %t -verify -fsyntax-only
7*67e74705SXin Li 
8*67e74705SXin Li // expected-no-diagnostics
9*67e74705SXin Li 
10*67e74705SXin Li #ifndef HEADER
11*67e74705SXin Li #define HEADER
12*67e74705SXin Li 
13*67e74705SXin Li #pragma clang diagnostic ignored "-Wtautological-compare"
14*67e74705SXin Li 
15*67e74705SXin Li #else
16*67e74705SXin Li 
f()17*67e74705SXin Li void f() {
18*67e74705SXin Li   int a = 0;
19*67e74705SXin Li   int b = a==a;
20*67e74705SXin Li }
21*67e74705SXin Li 
22*67e74705SXin Li #endif
23