1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  int g(_Complex int*);
       4  int f(void)
       5  {
       6    _Complex int t = 0;
       7    int i, j;
       8   __real__ t += 2;
       9   __imag__ t += 2;
      10    return g(&t);
      11  }
      12  
      13  /* { dg-final { scan-tree-dump-times "__complex__" 0 "optimized" } } */