clang/test/Preprocessor/header_is_main_file.c

   1 // RUN: %clang_cc1 -x c-header -ffreestanding -Eonly -verify %s
   2 // expected-no-diagnostics
   3
   4 #pragma once
   5 #include_next "stdint.h"
   6 #if !__has_include_next("stdint.h")
   7 #error "__has_include_next failed"
   8 #endif