1  # 1 "defined-syshdr.c" 1
       2  /* { dg-do preprocess } */
       3  /* { dg-options "-Wexpansion-to-defined" } */
       4  
       5  #define defined_outside_sys_hdr   defined FOO
       6  
       7  # 36 "some-system-header.h" 1 3
       8  
       9  #define defined_inside_sys_hdr    defined FOO
      10  
      11  /* In a system header, it's acceptable.  */
      12  #if defined_outside_sys_hdr   /* { dg-bogus "may not be portable" } */
      13  #endif
      14  
      15  # 16 "defined-syshdr.c" 2
      16  
      17  /* Back to _not_ in a system header */
      18  
      19  #if defined_outside_sys_hdr   /* { dg-message "may not be portable" } */
      20  #endif
      21  
      22  /* Currently we warn about this, but it is probably a good idea not to.  */
      23  
      24  #if defined_inside_sys_hdr   /* { dg-bogus "may not be portable" "" { xfail *-*-* } } */
      25  #endif
      26  
      27  int x;