error: elided lifetime has a name
  --> $DIR/example-from-issue48686.rs:6:50
   |
LL |     pub fn get_mut(&'static self, x: &mut u8) -> &mut u8 {
   |                                                  ^ this elided lifetime gets resolved as `'static`
   |
note: the lint level is defined here
  --> $DIR/example-from-issue48686.rs:1:9
   |
LL | #![deny(elided_named_lifetimes)]
   |         ^^^^^^^^^^^^^^^^^^^^^^
help: consider specifying it explicitly
   |
LL |     pub fn get_mut(&'static self, x: &mut u8) -> &'static mut u8 {
   |                                                   +++++++

error: aborting due to 1 previous error