v8/test/mjsunit/regress/regress-1002827.js
Michael Lippautz 3569a4febe [heap] Fix parameter parsing on GC builtin
Do not assume that the MaybeHandle that is returned when fetching for a property
is valid and instead check for its contents. Treat an empty handle as not
finding the right property.

Bug: chromium:1002827
Change-Id: Iac158086ec5f66cd9602f4a73ae78de367dd3e77
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1796556
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63672}
2019-09-11 10:13:16 +00:00

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JavaScript

// Copyright 2019 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 --expose-gc
var PI = new Proxy(this, {
get() {
PI();
}
});
assertThrows(() => new gc(PI, {}), TypeError);