error[E0308]: mismatched types
  --> $DIR/issue-24322.rs:8:29
   |
LL |     let x: &fn(&B) -> u32 = &B::func;
   |            --------------   ^^^^^^^^ expected `&fn(&'a B) -> u32`, found `&fn(&'a B) -> u32 {B::func}`
   |            |
   |            expected due to this
   |
   = note: expected reference `&for<'a> fn(&'a B) -> u32`
              found reference `&for<'a> fn(&'a B) -> u32 {B::func}`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0308`.