Handlify callers to GetElementNoException.

src/execution.cc

Index: src/execution.cc
diff --git a/src/execution.cc b/src/execution.cc
index 924814cff46cb4257e185eac1c78734eb1b1c884..1e0a6a8e578b3603d0ffaa2f1b60d316bb1165f2 100644
--- a/src/execution.cc
+++ b/src/execution.cc
@@ -819,10 +819,10 @@ Handle<JSFunction> Execution::InstantiateFunction(
   if (!data->do_not_cache()) {
     // Fast case: see if the function has already been instantiated
     int serial_number = Smi::cast(data->serial_number())->value();
-    Object* elm =
-        isolate->native_context()->function_cache()->
-            GetElementNoExceptionThrown(isolate, serial_number);
-    if (elm->IsJSFunction()) return Handle<JSFunction>(JSFunction::cast(elm));
+    Handle<JSObject> cache(isolate->native_context()->function_cache());
+    Handle<Object> elm =
+        Object::GetElementNoExceptionThrown(isolate, cache, serial_number);
+    if (elm->IsJSFunction()) return Handle<JSFunction>::cast(elm);
   }
   // The function has not yet been instantiated in this context; do it.
   Handle<Object> args[] = { data };