1 // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic -W -verify %s
2 // RUN: %clang_cc1 -fsyntax-only -x c++ -std=c++03 -pedantic-errors -W %s
3 
4 #include "completely-empty-header-file.h"
5 // no-warning -- an empty file is OK
6 
7 #define A_MACRO_IS_NOT_GOOD_ENOUGH 1
8 
9 // In C we should get this warning, but in C++ we shouldn't.
10 // expected-warning{{ISO C requires a translation unit to contain at least one declaration}}
11