Experimental parser: merge to r19637

test/mjsunit/regress/regress-crbug-346636.js

+// Copyright 2014 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 assertSame(expected, found) {
+  if (found === expected) {
+    if (expected !== 0 || (1 / expected) == (1 / found)) return;
+  }
+  return;
+};
+
+function foo(x) {
+  return x.bar;
+}
+
+function getter1() {
+  assertSame(this, this);
+}
+var o1 = Object.defineProperty({}, "bar", { get: getter1 });
+foo(o1);
+foo(o1);
+
+function getter2() {
+  assertSame(this, this);
+}
+var o2 = Object.defineProperty({}, "bar", { get: getter2 });
+foo(o2);
+%OptimizeFunctionOnNextCall(foo);
+foo(o2);