rustdoc: Stop using resolver for macro loading

Author: petrochenkov

src/librustdoc/clean/inline.rs

@@ -9,7 +9,7 @@ use rustc_hir as hir;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::DefId;
 use rustc_hir::Mutability;
-use rustc_metadata::creader::LoadedMacro;
+use rustc_metadata::creader::{CStore, LoadedMacro};
 use rustc_middle::ty::{self, TyCtxt};
 use rustc_span::hygiene::MacroKind;
 use rustc_span::symbol::{kw, sym, Symbol};
@@ -179,7 +179,7 @@ crate fn record_extern_fqn(cx: &mut DocContext<'_>, did: DefId, kind: ItemType)
     let fqn = if let ItemType::Macro = kind {
         // Check to see if it is a macro 2.0 or built-in macro
         if matches!(
-            cx.enter_resolver(|r| r.cstore().load_macro_untracked(did, cx.sess())),
+            CStore::from_tcx(cx.tcx).load_macro_untracked(did, cx.sess()),
             LoadedMacro::MacroDef(def, _)
                 if matches!(&def.kind, ast::ItemKind::MacroDef(ast_def)
                     if !ast_def.macro_rules)
@@ -558,7 +558,7 @@ fn build_macro(
     import_def_id: Option<DefId>,
 ) -> clean::ItemKind {
     let imported_from = cx.tcx.crate_name(def_id.krate);
-    match cx.enter_resolver(|r| r.cstore().load_macro_untracked(def_id, cx.sess())) {
+    match CStore::from_tcx(cx.tcx).load_macro_untracked(def_id, cx.sess()) {
         LoadedMacro::MacroDef(item_def, _) => {
             if let ast::ItemKind::MacroDef(ref def) = item_def.kind {
                 clean::MacroItem(clean::Macro {