gcc/testsuite/gcc.dg/cpp/uchar-3.c

   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 }