error[E0106]: missing lifetime specifier
  --> $DIR/rfc1623-3.rs:8:42
   |
LL | static NON_ELIDABLE_FN: &fn(&u8, &u8) -> &u8 =
   |                             ---  ---     ^ expected named lifetime parameter
   |
   = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from argument 1 or argument 2
   = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
help: consider making the type lifetime-generic with a new `'a` lifetime
   |
LL | static NON_ELIDABLE_FN: &for<'a> fn(&'a u8, &'a u8) -> &'a u8 =
   |                          +++++++     ++      ++         ++

error[E0106]: missing lifetime specifier
  --> $DIR/rfc1623-3.rs:10:39
   |
LL |     &(non_elidable as fn(&u8, &u8) -> &u8);
   |                          ---  ---     ^ expected named lifetime parameter
   |
   = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from argument 1 or argument 2
help: consider making the type lifetime-generic with a new `'a` lifetime
   |
LL |     &(non_elidable as for<'a> fn(&'a u8, &'a u8) -> &'a u8);
   |                       +++++++     ++      ++         ++

error[E0605]: non-primitive cast: `for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8 {non_elidable}` as `for<'a, 'b> fn(&'a u8, &'b u8) -> &u8`
  --> $DIR/rfc1623-3.rs:10:6
   |
LL |     &(non_elidable as fn(&u8, &u8) -> &u8);
   |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid cast

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0106, E0605.
For more information about an error, try `rustc --explain E0106`.