From 0d0a41789f86c2fc62382831e5256809b3bbe19e Mon Sep 17 00:00:00 2001
From: Ben Kimock <kimockb@gmail.com>
Date: Fri, 17 Nov 2023 20:33:44 -0500
Subject: Expand Miri's BorTag GC to a Provenance GC

---
 compiler/rustc_const_eval/src/const_eval/machine.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'compiler/rustc_const_eval/src/const_eval')

diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs
index 4b447229c5f..739dbcc5aba 100644
--- a/compiler/rustc_const_eval/src/const_eval/machine.rs
+++ b/compiler/rustc_const_eval/src/const_eval/machine.rs
@@ -107,6 +107,14 @@ impl<K: Hash + Eq, V> interpret::AllocMap<K, V> for FxIndexMap<K, V> {
         FxIndexMap::contains_key(self, k)
     }
 
+    #[inline(always)]
+    fn contains_key_ref<Q: ?Sized + Hash + Eq>(&self, k: &Q) -> bool
+    where
+        K: Borrow<Q>,
+    {
+        FxIndexMap::contains_key(self, k)
+    }
+
     #[inline(always)]
     fn insert(&mut self, k: K, v: V) -> Option<V> {
         FxIndexMap::insert(self, k, v)
-- 
cgit 1.4.1-3-g733a5