1/* { dg-do preprocess } */
2/* { dg-options "-std=gnu99" } */
3
4#include <stddef.h>
5#include "stddef.h"
6#include L"stddef.h"		/* { dg-error "include expects" } */
7#include u"stddef.h"		/* { dg-error "include expects" } */
8#include U"stddef.h"		/* { dg-error "include expects" } */
9#include u8"stddef.h"		/* { dg-error "include expects" } */
10#include R"(stddef.h)"		/* { dg-error "include expects" } */
11#include LR"(stddef.h)"		/* { dg-error "include expects" } */
12#include uR"(stddef.h)"		/* { dg-error "include expects" } */
13#include UR"(stddef.h)"		/* { dg-error "include expects" } */
14#include u8R"(stddef.h)"	/* { dg-error "include expects" } */
15