| error: invalid fragment specifier `foo` | |
| --> $DIR/macro-invalid-fragment-spec.rs:12:6 | |
| | | |
| 12 | ($x:foo) => () | |
| | ^^^^^^ | |
| | | |
| = help: valid fragment specifiers are `ident`, `block`, `stmt`, `expr`, `pat`, `ty`, `path`, `meta`, `tt`, `item` and `vis` | |
| error: aborting due to previous error | |