From 3f27e4b3ea35c87c1e8a6b9b8a3c7e122f6299de Mon Sep 17 00:00:00 2001
From: yukang <moorekang@gmail.com>
Date: Sun, 11 Feb 2024 19:50:50 +0800
Subject: clean up potential_query_instability with FxIndexMap and UnordMap

---
 compiler/rustc_data_structures/src/unord.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'compiler/rustc_data_structures/src')

diff --git a/compiler/rustc_data_structures/src/unord.rs b/compiler/rustc_data_structures/src/unord.rs
index 907c866b3ed..a99e2062039 100644
--- a/compiler/rustc_data_structures/src/unord.rs
+++ b/compiler/rustc_data_structures/src/unord.rs
@@ -524,6 +524,11 @@ impl<K: Eq + Hash, V> UnordMap<K, V> {
         UnordItems(self.inner.into_iter())
     }
 
+    #[inline]
+    pub fn keys(&self) -> UnordItems<&K, impl Iterator<Item = &K>> {
+        UnordItems(self.inner.keys())
+    }
+
     /// Returns the entries of this map in stable sort order (as defined by `ToStableHashKey`).
     ///
     /// The `cache_sort_key` parameter controls if [slice::sort_by_cached_key] or
-- 
cgit 1.4.1-3-g733a5