From cebbba081e4609099df3921de8a1422b7ea52599 Mon Sep 17 00:00:00 2001
From: Camille GILLOT <gillot.camille@gmail.com>
Date: Sat, 30 Jan 2021 17:47:51 +0100
Subject: Only store a LocalDefId in hir::Item.

Items are guaranteed to be HIR owner.
---
 compiler/rustc_span/src/def_id.rs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'compiler/rustc_span')

diff --git a/compiler/rustc_span/src/def_id.rs b/compiler/rustc_span/src/def_id.rs
index b24ede9c53a..70e9526f626 100644
--- a/compiler/rustc_span/src/def_id.rs
+++ b/compiler/rustc_span/src/def_id.rs
@@ -227,6 +227,8 @@ pub struct LocalDefId {
     pub local_def_index: DefIndex,
 }
 
+pub const CRATE_DEF_ID: LocalDefId = LocalDefId { local_def_index: CRATE_DEF_INDEX };
+
 impl Idx for LocalDefId {
     #[inline]
     fn new(idx: usize) -> Self {
@@ -268,6 +270,8 @@ impl<D: Decoder> Decodable<D> for LocalDefId {
     }
 }
 
+rustc_data_structures::define_id_collections!(LocalDefIdMap, LocalDefIdSet, LocalDefId);
+
 impl<CTX: HashStableContext> HashStable<CTX> for DefId {
     fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
         hcx.hash_def_id(*self, hasher)
-- 
cgit 1.4.1-3-g733a5