error[E0261]: use of undeclared lifetime name `'a`
  --> $DIR/bad-item-bound-within-rpitit-2.rs:5:20
   |
LL |     fn bar<'other: 'a>() -> impl Sized + 'a {}
   |                    ^^ undeclared lifetime
   |
help: consider introducing lifetime `'a` here
   |
LL |     fn bar<'a, 'other: 'a>() -> impl Sized + 'a {}
   |            +++
help: consider introducing lifetime `'a` here
   |
LL | trait Foo<'a> {
   |          ++++

error[E0261]: use of undeclared lifetime name `'a`
  --> $DIR/bad-item-bound-within-rpitit-2.rs:5:42
   |
LL |     fn bar<'other: 'a>() -> impl Sized + 'a {}
   |                                          ^^ undeclared lifetime
   |
help: consider introducing lifetime `'a` here
   |
LL |     fn bar<'a, 'other: 'a>() -> impl Sized + 'a {}
   |            +++
help: consider introducing lifetime `'a` here
   |
LL | trait Foo<'a> {
   |          ++++

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0261`.