error[E0658]: function pointers cannot appear in constant functions
  --> $DIR/cmp_fn_pointers.rs:1:14
   |
LL | const fn cmp(x: fn(), y: fn()) -> bool {
   |              ^
   |
   = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
   = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable

error[E0658]: function pointers cannot appear in constant functions
  --> $DIR/cmp_fn_pointers.rs:1:23
   |
LL | const fn cmp(x: fn(), y: fn()) -> bool {
   |                       ^
   |
   = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
   = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable

error: pointers cannot be reliably compared during const eval.
  --> $DIR/cmp_fn_pointers.rs:4:14
   |
LL |     unsafe { x == y }
   |              ^^^^^^
   |
   = note: see issue #53020 <https://github.com/rust-lang/rust/issues/53020> for more information

error: aborting due to 3 previous errors

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