Fix keyed access of primitive objects in the runtime.

src/runtime/runtime-array.cc

Index: src/runtime/runtime-array.cc
diff --git a/src/runtime/runtime-array.cc b/src/runtime/runtime-array.cc
index b2865dcbdf323b6829fec9e02d2f262036fcd0c1..6fe97e47789023dd776c9d70ab4f1210890869a8 100644
--- a/src/runtime/runtime-array.cc
+++ b/src/runtime/runtime-array.cc
@@ -472,9 +472,9 @@ static bool IterateElementsSlow(Isolate* isolate, Handle<JSObject> receiver,
     if (!maybe.IsJust()) return false;
     if (maybe.FromJust()) {
       Handle<Object> element_value;
-      ASSIGN_RETURN_ON_EXCEPTION_VALUE(
-          isolate, element_value,
-          Runtime::GetElementOrCharAt(isolate, receiver, i), false);
+      ASSIGN_RETURN_ON_EXCEPTION_VALUE(isolate, element_value,
+                                       Object::GetElement(isolate, receiver, i),
+                                       false);
       visitor->visit(i, element_value);
     }
   }