warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/escaping-bound-var.rs:1:12
   |
LL | #![feature(generic_const_exprs)]
   |            ^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
   = note: `#[warn(incomplete_features)]` on by default

error: cannot capture late-bound lifetime in constant
  --> $DIR/escaping-bound-var.rs:7:13
   |
LL | fn test<'a>(
   |         -- lifetime defined here
...
LL |     let x: &'a ();
   |             ^^

error[E0308]: mismatched types
  --> $DIR/escaping-bound-var.rs:6:6
   |
LL |   fn test<'a>(
   |      ---- implicitly returns `()` as its body has no tail or `return` expression
LL |       _: &'a (),
LL |   ) -> [(); {
   |  ______^
LL | |     let x: &'a ();
LL | |
LL | |     1
LL | | }] {
   | |__^ expected `[(); {
    let x: &'a ();
    1
}]`, found `()`

error: aborting due to 2 previous errors; 1 warning emitted

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