v8/test/mjsunit/regress/regress-crbug-757199.js
Camillo Bruni 8a7ce927a6 Don't look at abandoned prototype maps when looking for root maps
Bug: chromium:757199, chromium:758773, chromium:758821
Change-Id: I70644853770501b13992bd7bf78d168ca2308d64
Reviewed-on: https://chromium-review.googlesource.com/635223
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47603}
2017-08-25 10:44:29 +00:00

32 lines
458 B
JavaScript

/// Copyright 2017 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
var obj1 = {};
var obj2 = {};
function h() {}
h.prototype = obj2;
function g(v) {
v.constructor;
}
function f() {
g(obj1);
}
obj1.x = 0;
f();
obj1.__defineGetter__("x", function() {});
g(obj2);
obj2.y = 0;
%OptimizeFunctionOnNextCall(f);
f();