[crankshaft] Disable escape analysis of nested objects.

test/mjsunit/regress/regress-669024.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.
+
+// Flags: --allow-natives-syntax
+
+function h(y) { return y.u; }
+
+function g() { return h.apply(0, arguments); }
+
+function f(x) {
+  var o = { u : x };
+  return g(o);
+}
+
+f(42);
+f(0.1);
+
+%OptimizeFunctionOnNextCall(f);
+
+assertEquals(undefined, f(undefined));