Prefetch lint_levels and visible_parent_map

Author: Zoxc

src/librustc_interface/passes.rs

@@ -793,6 +793,14 @@ fn analysis(tcx: TyCtxt<'_>, cnum: CrateNum) -> Result<()> {
                     tcx.ensure().check_mod_const_bodies(local_def_id);
                 });
             },
+            {
+                // Prefetch in case lints are emitted.
+                tcx.lint_levels(LOCAL_CRATE);
+            },
+            {
+                // Prefetch in case something needs printing.
+                tcx.visible_parent_map(LOCAL_CRATE);
+            },
             {
                 tcx.stability_index(LOCAL_CRATE);