rust/tests/ui/type-alias-impl-trait/implied_bounds.stderr

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error: lifetime may not live long enough
--> $DIR/implied_bounds.rs:17:9
|
LL | impl<'a> Convert<'a> for () {
| -- lifetime `'a` defined here
...
LL | fn convert<'b, T: ?Sized>(_proof: &'b WithLifetime<'a>, x: &'a T) -> &'b T {
| -- lifetime `'b` defined here
...
LL | x
| ^ associated function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a`
|
= help: consider adding the following bound: `'a: 'b`
error: aborting due to 1 previous error