don't clone types that are copy, round two.

3 files changed, 6 insertions, 6 deletions

diff --git a/src/librustc/ty/context.rs b/src/librustc/ty/context.rs
index a51f0f7f24c..355df86046f 100644
--- a/src/librustc/ty/context.rs
+++ b/src/librustc/ty/context.rs
@@ -1294,7 +1294,7 @@ impl<'tcx> TyCtxt<'tcx> {
         // statements within the query system and we'd run into endless
         // recursion otherwise.
         let (crate_name, crate_disambiguator) = if def_id.is_local() {
-            (self.crate_name.clone(), self.sess.local_crate_disambiguator())
+            (self.crate_name, self.sess.local_crate_disambiguator())
         } else {
             (
                 self.cstore.crate_name_untracked(def_id.krate),
diff --git a/src/librustc/ty/mod.rs b/src/librustc/ty/mod.rs
index e67131b9164..4889f751f60 100644
--- a/src/librustc/ty/mod.rs
+++ b/src/librustc/ty/mod.rs
@@ -1326,7 +1326,7 @@ pub trait ToPolyTraitRef<'tcx> {
 
 impl<'tcx> ToPolyTraitRef<'tcx> for TraitRef<'tcx> {
     fn to_poly_trait_ref(&self) -> PolyTraitRef<'tcx> {
-        ty::Binder::dummy(self.clone())
+        ty::Binder::dummy(*self)
     }
 }
 
@@ -1372,19 +1372,19 @@ impl<'tcx> ToPredicate<'tcx> for ConstnessAnd<&PolyTraitRef<'tcx>> {
 
 impl<'tcx> ToPredicate<'tcx> for PolyRegionOutlivesPredicate<'tcx> {
     fn to_predicate(&self) -> Predicate<'tcx> {
-        Predicate::RegionOutlives(self.clone())
+        Predicate::RegionOutlives(*self)
     }
 }
 
 impl<'tcx> ToPredicate<'tcx> for PolyTypeOutlivesPredicate<'tcx> {
     fn to_predicate(&self) -> Predicate<'tcx> {
-        Predicate::TypeOutlives(self.clone())
+        Predicate::TypeOutlives(*self)
     }
 }
 
 impl<'tcx> ToPredicate<'tcx> for PolyProjectionPredicate<'tcx> {
     fn to_predicate(&self) -> Predicate<'tcx> {
-        Predicate::Projection(self.clone())
+        Predicate::Projection(*self)
     }
 }
 
diff --git a/src/librustc/ty/sty.rs b/src/librustc/ty/sty.rs
index 837b2fcc500..dffe86d9462 100644
--- a/src/librustc/ty/sty.rs
+++ b/src/librustc/ty/sty.rs
@@ -838,7 +838,7 @@ impl<'tcx> PolyTraitRef<'tcx> {
 
     pub fn to_poly_trait_predicate(&self) -> ty::PolyTraitPredicate<'tcx> {
         // Note that we preserve binding levels
-        Binder(ty::TraitPredicate { trait_ref: self.skip_binder().clone() })
+        Binder(ty::TraitPredicate { trait_ref: *self.skip_binder() })
     }
 }