1  /* PR tree-optimization/23452 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -ffast-math -fdump-tree-gimple" } */
       4  
       5  _Complex double foo(_Complex double z)
       6  {
       7    return z * ~z;
       8  }
       9  
      10  _Complex int bar(_Complex int z)
      11  {
      12    return z * ~z;
      13  }
      14  
      15  /* { dg-final { scan-tree-dump-times "CONJ_EXPR" 0 "gimple" } } */