error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon
  --> $DIR/issue-63479-match-fnptr.rs:32:7
   |
LL | const TEST: Fn = my_fn;
   | -------------- constant defined here
...
LL |     B(TEST) => println!("matched"),
   |       ^^^^ can't be used in patterns
   |
   = note: see https://github.com/rust-lang/rust/issues/70861 for details

error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon
  --> $DIR/issue-63479-match-fnptr.rs:37:5
   |
LL | const TEST2: (Fn, u8) = (TEST, 0);
   | --------------------- constant defined here
...
LL |     TEST2 => println!("matched"),
   |     ^^^^^ can't be used in patterns
   |
   = note: see https://github.com/rust-lang/rust/issues/70861 for details

error: aborting due to 2 previous errors