1  /* Copyright (C) 2002 Free Software Foundation, Inc.  */
       2  
       3  /* { dg-do compile } */
       4  /* { dg-options "-funsigned-char -fpreprocessed" } */
       5  
       6  /* Source: Ziemowit Laski.  -fpreprocessed doesn't define macros, but
       7     CPP would interpret charconsts based upon whether __CHAR_UNSIGNED__
       8     was defined.  */
       9  
      10  int foo()
      11  {
      12    char f = 0x83;
      13    if (f == '\x83')		/* { dg-bogus "always false" } */
      14      f = 0;
      15  
      16    return 0;
      17  }