gcc/testsuite/gcc.c-torture/execute/20020107-1.c

   1 /* This testcase failed because - 1 - buf was simplified into ~buf and when
   2    later expanding it back into - buf + -1, -1 got lost.  */
   3
   4 extern void abort (void);
   5 extern void exit (int);
   6
   7 static void
   8 bar (int x)
   9 {
  10   if (!x)
  11     abort ();
  12 }
  13
  14 char buf[10];
  15
  16 inline char *
  17 foo (char *tmp)
  18 {
  19   asm ("" : "=r" (tmp) : "0" (tmp));
  20   return tmp + 2;
  21 }
  22
  23 int
  24 main (void)
  25 {
  26   bar ((foo (buf) - 1 - buf) == 1);
  27   exit (0);
  28 }