1 error[E0491]: in type `&'a &'b ()`, reference has a longer lifetime than the data it references
2 --> $DIR/impl-header-unnormalized-types.rs:15:18
4 LL | type Assoc = &'a &'b ();
7 note: the pointer is valid for the lifetime `'a` as defined here
8 --> $DIR/impl-header-unnormalized-types.rs:14:6
10 LL | impl<'a, 'b> NeedsWf<'a, 'b> for Foo<<&'a &'b () as GoodBye>::Forget> {
12 note: but the referenced data is only valid for the lifetime `'b` as defined here
13 --> $DIR/impl-header-unnormalized-types.rs:14:10
15 LL | impl<'a, 'b> NeedsWf<'a, 'b> for Foo<<&'a &'b () as GoodBye>::Forget> {
18 error: aborting due to previous error
20 For more information about this error, try `rustc --explain E0491`.