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-rw-r--r--src/librustc_traits/chalk_context/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_traits/chalk_context/mod.rs b/src/librustc_traits/chalk_context/mod.rs
index 4b10b08ddd9..0b18352df33 100644
--- a/src/librustc_traits/chalk_context/mod.rs
+++ b/src/librustc_traits/chalk_context/mod.rs
@@ -400,7 +400,7 @@ impl context::UnificationOps<ChalkArenas<'tcx>, ChalkArenas<'tcx>>
         &mut self,
         value: &Canonical<'tcx, InEnvironment<'tcx, Goal<'tcx>>>,
     ) -> (Canonical<'tcx, InEnvironment<'tcx, Goal<'tcx>>>, UniverseMap) {
-        (value.clone(), UniverseMap)
+        (*value, UniverseMap)
     }
 
     fn invert_goal(