remove redundant clones (clippy::redundant_clone)

compiler/rustc_infer/src/infer/mod.rs

@@ -1317,7 +1317,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
         T: TypeFoldable<'tcx>,
     {
         if !value.needs_infer() {
-            return value.clone(); // Avoid duplicated subst-folding.
+            return value; // Avoid duplicated subst-folding.
         }
         let mut r = resolve::OpportunisticVarResolver::new(self);
         value.fold_with(&mut r)

compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs

@@ -328,8 +328,8 @@ struct SplitIntRange {
 }
 
 impl SplitIntRange {
-    fn new(r: IntRange) -> Self {
+    fn new(range: IntRange) -> Self {
-        SplitIntRange { range: r.clone(), borders: Vec::new() }
+        SplitIntRange { range, borders: Vec::new() }
     }
 
     /// Internal use