[ic] Support data handlers in LoadGlobalIC.

test/mjsunit/regress/regress-crbug-662854.js

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+function f() {
+  typeof boom;
+  boom;
+}
+
+assertThrows(()=>f());