error: `~const` can only be applied to `#[const_trait]` traits
  --> $DIR/const-closure-parse-not-item.rs:7:25
   |
LL | const fn test() -> impl ~const Fn() {
   |                         ^^^^^^

error: `~const` can only be applied to `#[const_trait]` traits
  --> $DIR/const-closure-parse-not-item.rs:7:25
   |
LL | const fn test() -> impl ~const Fn() {
   |                         ^^^^^^
   |
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`

error: aborting due to 2 previous errors