1  /* PR middle-end/3074  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wall" } */
       4  
       5  void foo(int a)
       6  {
       7    5 * (a == 1) | (a == 2);  /* { dg-warning "no effect" "no effect" } */
       8  }
       9