gcc/testsuite/gcc.dg/torture/pr66949-1.c

   1 /* PR tree-optimization/66949 */
   2 /* { dg-do compile } */
   3
   4 int a, *b = &a, c;
   5
   6 unsigned short
   7 fn1 (unsigned short p1, unsigned int p2)
   8 {
   9   return p2 > 1 || p1 >> p2 ? p1 : p1 << p2;
  10 }
  11
  12 void
  13 fn2 ()
  14 {
  15   int *d = &a;
  16   for (a = 0; a < -1; a = 1)
  17     ;
  18   if (a < 0)
  19     c = 0;
  20   *b = fn1 (*d || c, *d);
  21 }
  22
  23 int
  24 main ()
  25 {
  26   fn2 ();
  27   return 0;
  28 }