2d80e84153
This makes sure that the lowering of {JSCreate} operator during create
lowering is only applied to operations where both target and new.target
are known to be constructors.
R=jarin@chromium.org
TEST=mjsunit/regress/regress-crbug-768080
BUG=chromium:774780,chromium:768080
Change-Id: I55a582a3453bba7e14655b594b7714a3940eeaae
Reviewed-on: https://chromium-review.googlesource.com/725332
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48680}
65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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(function TestReflectConstructBogusNewTarget1() {
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class C {}
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function g() {
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Reflect.construct(C, arguments, 23);
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}
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function f() {
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return new g();
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}
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new C(); // Warm-up!
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assertThrows(f, TypeError);
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assertThrows(f, TypeError);
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%OptimizeFunctionOnNextCall(f);
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assertThrows(f, TypeError);
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})();
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(function TestReflectConstructBogusNewTarget2() {
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class C {}
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// Note that {unescape} is an example of a non-constructable function. If that
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// ever changes and this test needs to be adapted, make sure to choose another
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// non-constructable {JSFunction} object instead.
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function g() {
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Reflect.construct(C, arguments, unescape);
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}
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function f() {
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return new g();
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}
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new C(); // Warm-up!
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assertThrows(f, TypeError);
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assertThrows(f, TypeError);
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%OptimizeFunctionOnNextCall(f);
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assertThrows(f, TypeError);
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})();
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(function TestReflectConstructBogusTarget() {
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function g() {
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Reflect.construct(23, arguments);
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}
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function f() {
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return new g();
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}
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assertThrows(f, TypeError);
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assertThrows(f, TypeError);
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%OptimizeFunctionOnNextCall(f);
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assertThrows(f, TypeError);
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})();
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(function TestReflectApplyBogusTarget() {
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function g() {
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Reflect.apply(23, this, arguments);
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}
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function f() {
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return g();
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}
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assertThrows(f, TypeError);
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assertThrows(f, TypeError);
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%OptimizeFunctionOnNextCall(f);
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assertThrows(f, TypeError);
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})();
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