message: fix referenced issue
diff: // compile-flags: -Zmir-opt-level=0
  -// FIXME: Using opt-level 2 here makes the test take forever (https://github.com/rust-lang/rust/issues/76433).
  +// FIXME: Using opt-level 2 here makes the test take forever (https://github.com/rust-lang/rust/issues/73717).
  #![feature(stmt_expr_attributes, test)]
  use std::fmt::Debug;
  use std::hint::black_box;
  