From 372ba2a03d7180c3a58631ecbd93e8912e697bab Mon Sep 17 00:00:00 2001
From: marmeladema <xademax@gmail.com>
Date: Sat, 30 May 2020 14:38:46 +0100
Subject: [PATCH] Use `LocalDefId` instead of `NodeId` in
 `resolve_str_path_error`

---
 src/librustc_resolve/lib.rs                      |  7 ++-----
 src/librustdoc/core.rs                           | 10 +++++++---
 src/librustdoc/passes/collect_intra_doc_links.rs |  6 +++---
 3 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/librustc_resolve/lib.rs b/src/librustc_resolve/lib.rs
index b50f9fe8e907d..e5fc23e14d2ab 100644
--- a/src/librustc_resolve/lib.rs
+++ b/src/librustc_resolve/lib.rs
@@ -2902,7 +2902,7 @@ impl<'a> Resolver<'a> {
         span: Span,
         path_str: &str,
         ns: Namespace,
-        module_id: NodeId,
+        module_id: LocalDefId,
     ) -> Result<(ast::Path, Res), ()> {
         let path = if path_str.starts_with("::") {
             ast::Path {
@@ -2922,10 +2922,7 @@ impl<'a> Resolver<'a> {
                     .collect(),
             }
         };
-        let module = self.block_map.get(&module_id).copied().unwrap_or_else(|| {
-            let def_id = self.definitions.local_def_id(module_id);
-            self.module_map.get(&def_id).copied().unwrap_or(self.graph_root)
-        });
+        let module = self.module_map.get(&module_id).copied().unwrap_or(self.graph_root);
         let parent_scope = &ParentScope::module(module);
         let res = self.resolve_ast_path(&path, ns, parent_scope).map_err(|_| ())?;
         Ok((path, res))
diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs
index 99ca7084c30dd..06293a987124e 100644
--- a/src/librustdoc/core.rs
+++ b/src/librustdoc/core.rs
@@ -1,4 +1,3 @@
-use rustc_ast::ast::CRATE_NODE_ID;
 use rustc_attr as attr;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_data_structures::sync::{self, Lrc};
@@ -7,7 +6,7 @@ use rustc_errors::emitter::{Emitter, EmitterWriter};
 use rustc_errors::json::JsonEmitter;
 use rustc_feature::UnstableFeatures;
 use rustc_hir::def::Namespace::TypeNS;
-use rustc_hir::def_id::{CrateNum, DefId, DefIndex, LOCAL_CRATE};
+use rustc_hir::def_id::{CrateNum, DefId, DefIndex, LocalDefId, CRATE_DEF_INDEX, LOCAL_CRATE};
 use rustc_hir::HirId;
 use rustc_interface::interface;
 use rustc_middle::middle::cstore::CrateStore;
@@ -390,7 +389,12 @@ pub fn run_core(options: RustdocOptions) -> (clean::Crate, RenderInfo, RenderOpt
                 resolver.borrow_mut().access(|resolver| {
                     for extern_name in &extern_names {
                         resolver
-                            .resolve_str_path_error(DUMMY_SP, extern_name, TypeNS, CRATE_NODE_ID)
+                            .resolve_str_path_error(
+                                DUMMY_SP,
+                                extern_name,
+                                TypeNS,
+                                LocalDefId { local_def_index: CRATE_DEF_INDEX },
+                            )
                             .unwrap_or_else(|()| {
                                 panic!("Unable to resolve external crate {}", extern_name)
                             });
diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs
index adb7fc3eb9cff..149480ec80f29 100644
--- a/src/librustdoc/passes/collect_intra_doc_links.rs
+++ b/src/librustdoc/passes/collect_intra_doc_links.rs
@@ -8,7 +8,7 @@ use rustc_hir::def::{
     Namespace::{self, *},
     PerNS, Res,
 };
-use rustc_hir::def_id::DefId;
+use rustc_hir::def_id::{DefId, LocalDefId};
 use rustc_middle::ty;
 use rustc_resolve::ParentScope;
 use rustc_session::lint;
@@ -61,7 +61,7 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> {
         &self,
         path_str: &str,
         current_item: &Option<String>,
-        module_id: rustc_ast::ast::NodeId,
+        module_id: LocalDefId,
     ) -> Result<(Res, Option<String>), ErrorKind> {
         let cx = self.cx;
 
@@ -137,7 +137,7 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> {
 
         // In case we're in a module, try to resolve the relative path.
         if let Some(module_id) = parent_id.or(self.mod_ids.last().cloned()) {
-            let module_id = cx.tcx.hir().hir_id_to_node_id(module_id);
+            let module_id = cx.tcx.hir().local_def_id(module_id);
             let result = cx.enter_resolver(|resolver| {
                 resolver.resolve_str_path_error(DUMMY_SP, &path_str, ns, module_id)
             });