1 // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic -W -verify %s 2 // RUN: %clang_cc1 -fsyntax-only -x c-header -std=c99 -pedantic-errors -W %s 3 // RUN: %clang_cc1 -fsyntax-only -x c++ -std=c++03 -pedantic-errors -W %s 4 5 #include "completely-empty-header-file.h" 6 // no-warning -- an empty file is OK 7 8 #define A_MACRO_IS_NOT_GOOD_ENOUGH 1 9 10 // In C we should get this warning, but in C++ (or a header) we shouldn't. 11 // expected-warning{{ISO C requires a translation unit to contain at least one declaration}} 12