message: Use a QueryContext for try_mark_green.
diff: @@ -465,9 +465,5 @@ fn determine_cgu_reuse<'tcx>(tcx: TyCtxt<'tcx>, cgu: &CodegenUnit<'tcx>) -> CguR
  cgu.name()
  );
  - if tcx.dep_graph.try_mark_green(tcx, &dep_node).is_some() {
  - CguReuse::PreLto
  - } else {
  - CguReuse::No
  - }
  + if tcx.try_mark_green(&dep_node) { CguReuse::PreLto } else { CguReuse::No }
  }
  