1 error[E0276]: impl has stricter requirements than trait
2 --> $DIR/region-extra.rs:19:5
5 | --------- definition of `foo` from trait
7 LL | fn foo() where 'a: 'b { } //~ ERROR impl has stricter
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`.