1  /* PR rtl-optimization/83986 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-g -O2 -fsched2-use-superblocks -funwind-tables --param max-pending-list-length=1" } */
       4  
       5  int v;
       6  
       7  int
       8  foo (int x)
       9  {
      10    v &= !!v && !!x;
      11    if (v != 0)
      12      foo (0);
      13    return 0;
      14  }