1 error: non-defining existential type use in defining scope
2 --> $DIR/generic_duplicate_lifetime_param.rs:18:1
4 LL | / fn one<'a>(t: &'a ()) -> Two<'a, 'a> { //~ ERROR non-defining existential type use
9 note: lifetime used multiple times
10 --> $DIR/generic_duplicate_lifetime_param.rs:16:22
12 LL | existential type Two<'a, 'b>: std::fmt::Debug;
15 error: aborting due to previous error