rustc_metadata: Remove resolutions for extern crate items from `CStore`

[rust.git] / src / librustc / ty / context.rs

diff --git a/src/librustc/ty/context.rs b/src/librustc/ty/context.rs
index cd52f8fa92c5a805c0ef7b953a7291e19b7fa9a5..256194cfb00ef79a0fff741d532d50eaa68707a0 100644 (file)
--- a/src/librustc/ty/context.rs
+++ b/src/librustc/ty/context.rs
@@ -43,7 +43,7 @@
 use crate::ty::{BoundVar, BindingMode};
 use crate::ty::CanonicalPolyFnSig;
 use crate::util::common::ErrorReported;
-use crate::util::nodemap::{DefIdMap, DefIdSet, ItemLocalMap, ItemLocalSet};
+use crate::util::nodemap::{DefIdMap, DefIdSet, ItemLocalMap, ItemLocalSet, NodeMap};
 use crate::util::nodemap::{FxHashMap, FxHashSet};
 use crate::util::profiling::SelfProfilerRef;
 
@@ -1051,6 +1051,9 @@ pub struct GlobalCtxt<'tcx> {
     /// Common consts, pre-interned for your convenience.
     pub consts: CommonConsts<'tcx>,
 
+    /// Resolutions of `extern crate` items produced by resolver.
+    extern_crate_map: NodeMap<CrateNum>,
+
     /// Map indicating what traits are in scope for places where this
     /// is relevant; generated by resolve.
     trait_map: FxHashMap<DefIndex,
@@ -1274,6 +1277,7 @@ pub fn create_global_ctxt(
             types: common_types,
             lifetimes: common_lifetimes,
             consts: common_consts,
+            extern_crate_map: resolutions.extern_crate_map,
             trait_map,
             export_map: resolutions.export_map.into_iter().map(|(k, v)| {
                 let exports: Vec<_> = v.into_iter().map(|e| {
@@ -2951,7 +2955,7 @@ pub fn provide(providers: &mut ty::query::Providers<'_>) {
     };
     providers.extern_mod_stmt_cnum = |tcx, id| {
         let id = tcx.hir().as_local_node_id(id).unwrap();
-        tcx.cstore.extern_mod_stmt_cnum_untracked(id)
+        tcx.extern_crate_map.get(&id).cloned()
     };
     providers.all_crate_nums = |tcx, cnum| {
         assert_eq!(cnum, LOCAL_CRATE);