1  /* GCC should allow struct S to be in a register.  */
       2  /* { dg-do compile } */
       3  
       4  struct S { volatile int field; };
       5  int f (register struct S arg);  /* { dg-bogus "volatile field" "with arg" } */
       6  int g (register struct S);	/* { dg-bogus "volatile field" "no arg" } */