1  /* { dg-do compile } */
       2  /* { dg-require-effective-target dfp } */
       3  /* { dg-options "-O2 -mavx -std=gnu99" } */
       4  
       5  _Decimal128
       6  foo128 (_Decimal128 z)
       7  {
       8    return z + 1.0dl;
       9  }