message: rename get_global_alloc to try_get_global_alloc
diff: @@ -362,7 +362,7 @@ fn define_all_allocs(tcx: TyCtxt<'_>, module: &mut dyn Module, cx: &mut Constant
  let (data_id, alloc, section_name) = match todo_item {
  TodoItem::Alloc(alloc_id) => {
  //println!("alloc_id {}", alloc_id);
  - let alloc = match tcx.get_global_alloc(alloc_id).unwrap() {
  + let alloc = match tcx.global_alloc(alloc_id) {
  GlobalAlloc::Memory(alloc) => alloc,
  GlobalAlloc::Function(_) | GlobalAlloc::Static(_) | GlobalAlloc::Vtable(..) => {
  unreachable!()
  