Generate crate loaders on the fly

compiler/rustc_resolve/src/effective_visibilities.rs

@@ -107,7 +107,7 @@ impl<'r, 'a> EffectiveVisibilitiesVisitor<'r, 'a> {
                 r.effective_visibilities.update_eff_vis(
                     r.local_def_id(node_id),
                     eff_vis,
-                    ResolverTree(&r.definitions, r.crate_loader.cstore()),
+                    ResolverTree(&r.definitions, &r.cstore),
                 )
             }
         }