message: and another reference
diff: @@ -26,7 +26,7 @@ fn main() {
  let g = magic1(|i| assert_eq!(i, 2)) as fn(i32);
  g(2);
  - // FIXME: This fails with "invalid use of NULL pointer"
  + // FIXME: This fails with "invalid use of NULL pointer" <https://github.com/rust-lang/miri/issues/1075>
  //let h: fn() -> ! = || std::process::exit(0);
  //h();
  // FIXME: This does not even compile?!? <https://github.com/rust-lang/rust/issues/66738>
  