message: Use DWARF version 4 for now
diff: @@ -48,7 +48,9 @@ pub(crate) fn new(tcx: TyCtxt<'tcx>, address_size: u8) -> Self {
  version: if tcx.sess.target.target.options.is_like_osx {
  3
  } else {
  - 5
  + // FIXME change to version 5 once the gdb and lldb shipping with the latest debian
  + // support it.
  + 4
  },
  address_size,
  };
  