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 /* { dg-options "-fgnu89-inline" } */
   4
   5 extern void abort (void);
   6 extern void exit (int);
   7
   8 static void
   9 bar (int x)
  10 {
  11   if (!x)
  12     abort ();
  13 }
  14
  15 char buf[10];
  16
  17 inline char *
  18 foo (char *tmp)
  19 {
  20   asm ("" : "=r" (tmp) : "0" (tmp));
  21   return tmp + 2;
  22 }
  23
  24 int
  25 main (void)
  26 {
  27   bar ((foo (buf) - 1 - buf) == 1);
  28   exit (0);
  29 }