error: at least one trait must be specified
  --> $DIR/generic_type_does_not_live_long_enough.rs:9:29
   |
LL | type WrongGeneric<T> = impl 'static;
   |                             ^^^^^^^

error[E0308]: mismatched types
  --> $DIR/generic_type_does_not_live_long_enough.rs:6:18
   |
LL |     let z: i32 = x;
   |                  ^ expected i32, found opaque type
   |
   = note: expected type `i32`
              found type `WrongGeneric::<&{integer}>`

error[E0310]: the parameter type `T` may not live long enough
  --> $DIR/generic_type_does_not_live_long_enough.rs:9:1
   |
LL | type WrongGeneric<T> = impl 'static;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL | fn wrong_generic<T>(t: T) -> WrongGeneric<T> {
   |                  - help: consider adding an explicit lifetime bound `T: 'static`...
   |
note: ...so that the type `T` will meet its required lifetime bounds
  --> $DIR/generic_type_does_not_live_long_enough.rs:9:1
   |
LL | type WrongGeneric<T> = impl 'static;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0308, E0310.
For more information about an error, try `rustc --explain E0308`.