message: erroneous_const span now changes with inlining
diff: //! Make sure we detect erroneous constants post-monomorphization even when they are unused.
  //! (https://github.com/rust-lang/miri/issues/1382)
  +// Inlining changes the error location
  +// compile-flags: -Zmir-opt-level=0
  #![feature(const_panic)]
  #![feature(never_type)]
  #![warn(warnings, const_err)]
  