1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-forwprop1" } */
       3  
       4  typedef long vec __attribute__ ((vector_size (2 * sizeof (long))));
       5  
       6  long f (long d, long e)
       7  {
       8    vec x = { d, e };
       9    vec m = { 1, 0 };
      10    return __builtin_shuffle (x, m) [1];
      11  }
      12  
      13  
      14  /* { dg-final { scan-tree-dump-not "BIT_FIELD_REF" "forwprop1" } } */