1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fno-tree-forwprop -fdump-tree-fre1-details" } */
       3  
       4  unsigned f(unsigned a)
       5  {
       6  #if __SIZEOF_INT__ == 2
       7    unsigned b = a >> 15;
       8  #else
       9    unsigned b = a >> 31;
      10  #endif
      11    return b&1;
      12  }
      13  
      14  /* We want to verify that we replace the b & 1 with b.  */
      15  /* { dg-final { scan-tree-dump-times "Replaced b_\[0-9\]+ & 1 with b_\[0-9\]+ in" 1 "fre1"} } */
      16   
      17