gcc/testsuite/gcc.dg/cpp/charconst-2.c

   1 /* Copyright (C) 2001 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-fsigned-char" } */
   5
   6 /* Crosscompiling from i686-linux (32-bit) to x86_64-linux (64-bit)
   7    gave extra warnings on the two assignments:
   8    warning: large integer implicitly truncated to unsigned type
   9    warning: overflow in implicit constant conversion
  10    This test has been added as a regression test after fixing the bug
  11    by Andreas Jaeger, 23 Nov 2001.  */
  12 int
  13 main (void)
  14 {
  15   signed char c = '\xff';
  16   unsigned char d = '\xff';
  17
  18   return 0;
  19 }