1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  double
       5  test ()
       6  {
       7    double x = 1.0;
       8    asm ("fld %1" /* { dg-error "explicitly used registers must be grouped at top of stack" } */
       9         : "=&t" (x)
      10         : "u" (x));
      11    return x;
      12  }