gcc/testsuite/gcc.dg/torture/pr54877.c

   1 /* PR tree-optimization/54877 */
   2 /* { dg-do run } */
   3 /* { dg-options "-ffast-math" } */
   4
   5 extern void abort (void);
   6
   7 int
   8 foo (void)
   9 {
  10   double d;
  11   int i;
  12   for (i = 0, d = 0; i < 64; i++)
  13     d--;
  14   return (int) d;
  15 }
  16
  17 int
  18 main ()
  19 {
  20   if (foo () != -64)
  21     abort ();
  22   return 0;
  23 }