don't clone types that are copy

2023-02-15 23:18:40 +01:00
parent 2d14db321b
commit e087f61075
4 changed files with 6 additions and 7 deletions
--- a/compiler/rustc_trait_selection/src/solve/mod.rs
+++ b/compiler/rustc_trait_selection/src/solve/mod.rs
@@ -547,7 +547,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> {
            response.value.certainty == Certainty::Yes
                && response.has_no_inference_or_external_constraints()
        }) {
-            return Ok(response.clone());
+            return Ok(*response);
        }

        let certainty = candidates.iter().fold(Certainty::AMBIGUOUS, |certainty, response| {