Rustup (Clone is now a builtin trait)

src/librustc_mir/interpret/eval_context.rs

@@ -2270,6 +2270,12 @@ fn resolve_associated_item<'a, 'tcx>(
                 substs: rcvr_substs,
             }
         }
+        ::rustc::traits::VtableBuiltin(..) if Some(trait_id) == tcx.lang_items.clone_trait() => {
+            ty::Instance {
+                def: ty::InstanceDef::CloneShim(def_id, trait_ref.self_ty()),
+                substs: rcvr_substs
+            }
+        }
         _ => bug!("static call to invalid vtable: {:?}", vtbl),
     }
 }

src/librustc_mir/interpret/terminator/mod.rs

@@ -297,6 +297,7 @@ fn eval_fn_call(
                 }
                 Ok(())
             }
+            ty::InstanceDef::CloneShim(..) |
             ty::InstanceDef::Item(_) => {
                 let mut args = Vec::new();
                 for arg in arg_operands {