clang/test/PCH/pragma-once.c

   1 // Test this without pch.
   2 // RUN: %clang_cc1 -include %S/Inputs/pragma-once.h -fsyntax-only -verify %s
   3
   4 // Test with pch.
   5 // RUN: %clang_cc1 -emit-pch -o %t %S/Inputs/pragma-once.h
   6 // RUN: %clang_cc1 -include-pch %t -fsyntax-only -verify %s
   7
   8 // expected-no-diagnostics
   9
  10 // Including "pragma-once.h" twice, to verify the 'once' aspect is honored.
  11 #include "Inputs/pragma-once.h"
  12 #include "Inputs/pragma-once.h"
  13 int foo(void) { return 0; }