gcc/testsuite/gcc.dg/lto/20090120_0.c

   1 /* { dg-lto-options {{-flto -funsigned-char}} } */
   2
   3 extern void abort ();
   4
   5 char c = 0xff;
   6
   7 int
   8 main ()
   9 {
  10  int i = (unsigned) c;
  11  if (i < 0)
  12    abort ();
  13  return 0;
  14 }