error[E0658]: associated const equality is incomplete
  --> $DIR/issue-99828.rs:1:43
   |
LL | fn get_iter(vec: &[i32]) -> impl Iterator<Item = {}> + '_ {
   |                                           ^^^^^^^^^
   |
   = note: see issue #92827 <https://github.com/rust-lang/rust/issues/92827> for more information
   = help: add `#![feature(associated_const_equality)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error: expected type, found constant
  --> $DIR/issue-99828.rs:1:50
   |
LL | fn get_iter(vec: &[i32]) -> impl Iterator<Item = {}> + '_ {
   |                                           ----   ^^ unexpected constant
   |                                           |
   |                                           expected a type because of this associated type
   |
note: the associated type is defined here
  --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL

error: expected type, found constant
  --> $DIR/issue-99828.rs:1:50
   |
LL | fn get_iter(vec: &[i32]) -> impl Iterator<Item = {}> + '_ {
   |                                           ----   ^^ unexpected constant
   |                                           |
   |                                           expected a type because of this associated type
   |
note: the associated type is defined here
  --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0658`.