Remove `OnHit` callback from query caches.

[rust.git] / compiler / rustc_query_system / src / query / config.rs

diff --git a/compiler/rustc_query_system/src/query/config.rs b/compiler/rustc_query_system/src/query/config.rs
index 8c0330e438de4724711816ed47742d1e5537aee1..a28e45a5c086dc66805730ad804b22df8dfb38fa 100644 (file)
--- a/compiler/rustc_query_system/src/query/config.rs
+++ b/compiler/rustc_query_system/src/query/config.rs
@@ -21,7 +21,7 @@ pub trait QueryConfig<Qcx: QueryContext> {
 
     type Key: DepNodeParams<Qcx::DepContext> + Eq + Hash + Clone + Debug;
     type Value: Debug;
-    type Stored: Debug + Clone + std::borrow::Borrow<Self::Value>;
+    type Stored: Debug + Copy + std::borrow::Borrow<Self::Value>;
 
     type Cache: QueryCache<Key = Self::Key, Stored = Self::Stored, Value = Self::Value>;