message: Make _rust_extern_with_linkage_* readonly
diff: @@ -337,7 +337,7 @@ fn data_id_for_static(
  let ref_name = format!("_rust_extern_with_linkage_{}", symbol_name);
  let ref_data_id = module
  - .declare_data(&ref_name, Linkage::Local, true, false)
  + .declare_data(&ref_name, Linkage::Local, false, false)
  .unwrap();
  let mut data_ctx = DataContext::new();
  data_ctx.set_align(align);
  