error: expected one of `,` or `>`, found `(` --> $DIR/issue-20616-2.rs:12:31 | LL | type Type_2 = Type_1_<'static ()>; | ^ expected one of `,` or `>` | help: you might have meant to end the type parameters here | LL | type Type_2 = Type_1_<'static> ()>; | + error: aborting due to 1 previous error