gcc/testsuite/gcc.dg/torture/pr55964.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-ftree-loop-distribution -funswitch-loops -w" } */
   3
   4 int a, b;
   5
   6 void f(void)
   7 {
   8 lbl1:
   9     for(b = 0; b < 1; b++)
  10     {
  11         int u = 1;
  12
  13         if((b %= 0) * (b ? 0 : a) - 1 && (u /= 0))
  14         {
  15             int *q = &u, **k = q;
  16             goto lbl1;
  17 lbl2:
  18 lbl3:
  19             a = **k;
  20             goto lbl2;
  21         }
  22     }
  23     goto lbl3;
  24 }