clang/test/PCH/pragma-diag.c

   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
  17 void f(void) {
  18   int a = 0;
  19   int b = a==a;
  20 }
  21
  22 #endif