1  /* PR target/79804 */
       2  /* { dg-do compile } */
       3  /* { dg-options "" } */
       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  
       9    asm volatile ("# %0" : "=r"(r19));
      10  }