Auto merge of #78826 - petrochenkov:mrscopes2, r=eddyb

resolve: Collapse `macro_rules` scope chains on the fly

Otherwise they grow too long and you have to endlessly walk through them when resolving macros or imports.
Addresses https://rust-lang.zulipchat.com/#narrow/stream/247081-t-compiler.2Fperformance/topic/Slow.20Builtin.20Derives/near/215750815

compiler/rustc_resolve/src/late.rs

@@ -675,7 +675,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
         // During late resolution we only track the module component of the parent scope,
         // although it may be useful to track other components as well for diagnostics.
         let graph_root = resolver.graph_root;
-        let parent_scope = ParentScope::module(graph_root);
+        let parent_scope = ParentScope::module(graph_root, resolver);
         let start_rib_kind = ModuleRibKind(graph_root);
         LateResolutionVisitor {
             r: resolver,