generator-region-requirements.nll.stderr

error[E0621]: explicit lifetime required in the type of `x`
  --> $DIR/generator-region-requirements.rs:11:9
   |
LL | fn dangle(x: &mut i32) -> &'static mut i32 {
   |              -------- help: add explicit lifetime `'static` to the type of `x`: `&'static mut i32`
...
LL |         x
   |         ^ lifetime `'static` required

error: aborting due to previous error

For more information about this error, try `rustc --explain E0621`.