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"
foo(void)13 int foo(void) { return 0; }
14