1 error[E0276]: impl has stricter requirements than trait
2 --> $DIR/region-extra-2.rs:9:5
4 LL | fn renew<'b: 'a>(self) -> &'b mut [T];
5 | -------------------------------------- definition of `renew` from trait
7 LL | fn renew<'b: 'a>(self) -> &'b mut [T] where 'a: 'b {
8 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `'a: 'b`
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0276`.