error: abnormal termination: aborted execution: attempted to zero-initialize type `fn()`, which is invalid
  --> $DIR/zero_fn_ptr.rs:LL:CC
   |
LL |     unsafe { std::mem::zeroed::<fn()>() };
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ aborted execution: attempted to zero-initialize type `fn()`, which is invalid
   |
   = note: inside `main` at $DIR/zero_fn_ptr.rs:LL:CC

note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace

error: aborting due to previous error