+error: any use of this value will cause an error
+ --> $DIR/issue-88434-minimal-example.rs:3:21
+ |
+LL | const _CONST: &() = &f(&|_| {});
+ | --------------------^^^^^^^^^^^-
+ | |
+ | referenced constant has errors
+ |
+ = note: `#[deny(const_err)]` on by default
+ = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+ = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
+
+error: aborting due to 2 previous errors