1 error: lifetime parameters must be declared prior to type and const parameters
2 --> $DIR/issue-80512-param-reordering-with-defaults.rs:3:18
4 LL | struct S<T = (), 'a>(&'a T);
5 | ---------^^- help: reorder the parameters: lifetimes, then consts and types: `<'a, T = ()>`
7 error: aborting due to previous error