llvm-project/clang/test/Preprocessor/header_is_main_file.c

// RUN: %clang_cc1 -x c-header -ffreestanding -Eonly -verify %s
// expected-no-diagnostics

#pragma once
#include_next "stdint.h"
#if !__has_include_next("stdint.h")
#error "__has_include_next failed"
#endif
Do not print include_next/pragma once warnings when input is a header. r276653 suppressed the pragma once warning when generating a PCH file. This patch extends that to any main file for which clang is told (with the -x option) that it's a header file. It will also suppress the warning "#include_next in primary source file". Differential Revision: http://reviews.llvm.org/D25989 llvm-svn: 285295 2016-10-27 22:17:10 +08:00			`// RUN: %clang_cc1 -x c-header -ffreestanding -Eonly -verify %s`
			`// expected-no-diagnostics`

			`#pragma once`
			`#include_next "stdint.h"`
			`#if !__has_include_next("stdint.h")`
			`#error "__has_include_next failed"`
			`#endif`