1 files changed, 10 insertions, 1 deletions

diff --git a/crates/ra_db/src/loc2id.rs b/crates/ra_db/src/loc2id.rs
index 254c52629..359cd893d 100644
--- a/crates/ra_db/src/loc2id.rs
+++ b/crates/ra_db/src/loc2id.rs
@@ -1,4 +1,4 @@
-use std::hash::Hash;
+use std::{panic, hash::Hash};
 
 use parking_lot::Mutex;
 use rustc_hash::FxHashMap;
@@ -70,6 +70,15 @@ where
     map: Mutex<Loc2IdMap<LOC, ID>>,
 }
 
+impl<LOC, ID> panic::RefUnwindSafe for LocationIntener<LOC, ID>
+where
+    ID: ArenaId + Clone,
+    LOC: Clone + Eq + Hash,
+    ID: panic::RefUnwindSafe,
+    LOC: panic::RefUnwindSafe,
+{
+}
+
 impl<LOC, ID> Default for LocationIntener<LOC, ID>
 where
     ID: ArenaId + Clone,