1  /* PR target/88178 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-g" } */
       4  
       5  void foo (void)
       6  {
       7    register int r19 asm ("19");	/* { dg-error "register specified for 'r19' is an internal GCC implementation detail" } */
       8  }