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" } */