1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-original" } */
       3  
       4  int foo(float x, float y)
       5  {
       6    return (_Complex float)x == (_Complex float)y;
       7  }
       8  
       9  /* { dg-final { scan-tree-dump-times "x == y" 1 "original" } } */