1  /* PR40052 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O -ftree-vrp -fno-tree-ccp -fdump-tree-optimized" } */
       4  
       5  int foo(_Bool b)
       6  {
       7      return b | 1;
       8  }
       9  
      10  int bar(_Bool b)
      11  {
      12      return b & -2;
      13  }
      14  
      15  /* { dg-final { scan-tree-dump "return 0;" "optimized" } } */
      16  /* { dg-final { scan-tree-dump "return 1;" "optimized" } } */