| error: expected one of `>`, const, identifier, lifetime, or type, found `,` | |
| --> $DIR/issue-20616-4.rs:16:34 | |
| | | |
| LL | type Type_4<T> = Type_1_<'static,, T>; | |
| | ^ expected one of `>`, const, identifier, lifetime, or type here | |
| error: aborting due to previous error | |