gcc/testsuite/gcc.c-torture/execute/pr46309.c

   1 /* PR tree-optimization/46309 */
   2
   3 extern void abort (void);
   4
   5 unsigned int *q;
   6
   7 __attribute__((noinline, noclone)) void
   8 bar (unsigned int *p)
   9 {
  10   if (*p != 2 && *p != 3)
  11     (!(!(*q & 263) || *p != 1)) ? abort () : 0;
  12 }
  13
  14 int
  15 main ()
  16 {
  17   unsigned int x, y;
  18   asm volatile ("" : : : "memory");
  19   x = 2;
  20   bar (&x);
  21   x = 3;
  22   bar (&x);
  23   y = 1;
  24   x = 0;
  25   q = &y;
  26   bar (&x);
  27   y = 0;
  28   x = 1;
  29   bar (&x);
  30   return 0;
  31 }