| error: expected one of `!`, `(`, `+`, `,`, `::`, or `<`, found `)` | 
 |   --> $DIR/offset-of-builtin.rs:8:43 | 
 |    | | 
 | LL |     builtin # offset_of(NotEnoughArguments); | 
 |    |                                           ^ expected one of `!`, `(`, `+`, `,`, `::`, or `<` | 
 |  | 
 | error: expected expression, found `)` | 
 |   --> $DIR/offset-of-builtin.rs:11:55 | 
 |    | | 
 | LL |     builtin # offset_of(NotEnoughArgumentsWithAComma, ); | 
 |    |                                                       ^ expected expression | 
 |  | 
 | error: expected `)`, found `too` | 
 |   --> $DIR/offset-of-builtin.rs:14:31 | 
 |    | | 
 | LL |     builtin # offset_of(S, f, too many arguments); | 
 |    |                               ^^^ expected `)` | 
 |    | | 
 |    = note: unexpected third argument to offset_of | 
 |  | 
 | error: unexpected token: `)` | 
 |   --> $DIR/offset-of-builtin.rs:20:30 | 
 |    | | 
 | LL |     builtin # offset_of(S, f.); | 
 |    |                              ^ | 
 |  | 
 | error: unexpected token: `,` | 
 |   --> $DIR/offset-of-builtin.rs:23:30 | 
 |    | | 
 | LL |     builtin # offset_of(S, f.,); | 
 |    |                              ^ | 
 |  | 
 | error: offset_of expects dot-separated field and variant names | 
 |   --> $DIR/offset-of-builtin.rs:26:28 | 
 |    | | 
 | LL |     builtin # offset_of(S, f..); | 
 |    |                            ^^^ | 
 |  | 
 | error: offset_of expects dot-separated field and variant names | 
 |   --> $DIR/offset-of-builtin.rs:29:28 | 
 |    | | 
 | LL |     builtin # offset_of(S, f..,); | 
 |    |                            ^^^ | 
 |  | 
 | error: aborting due to 7 previous errors | 
 |  |