1  /* { dg-do compile } */
       2  void
       3  foo (int p)
       4  {
       5    int t; 
       6    register long x asm ("rhubarb") = p; /* { dg-error "register name" } */
       7    __asm ("" : "=r" (t), "=r" (t), "=r" (t), "=r" (x) : "0" (x));
       8  }