[crankshaft] Disable escape analysis of nested objects.

BUG=chromium:669024

Review-Url: https://codereview.chromium.org/2531163006
Cr-Commit-Position: refs/heads/master@{#41389}

src/flag-definitions.h

@@ -399,7 +399,7 @@ DEFINE_BOOL(inline_construct, true, "inline constructor calls")
 DEFINE_BOOL(inline_arguments, true, "inline functions with arguments object")
 DEFINE_BOOL(inline_accessors, true, "inline JavaScript accessors")
 DEFINE_BOOL(inline_into_try, true, "inline into try blocks")
-DEFINE_INT(escape_analysis_iterations, 2,
+DEFINE_INT(escape_analysis_iterations, 1,
            "maximum number of escape analysis fix-point iterations")
 
 DEFINE_BOOL(concurrent_recompilation, true,

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));