v8/test/mjsunit/regress/regress-4521.js
Andreas Haas 054af8477c [cleanup] Add PrepareFunctionForOptimization to regression tests
R=mythria@chromium.org

Bug: v8:9183
Change-Id: Id7c29452ef6d643b59eb3252df188bf288e2de23
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1660469
Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62168}
2019-06-14 09:59:20 +00:00

22 lines
542 B
JavaScript

// Copyright 2015 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
"use strict";
class B {
foo() { return 23 }
}
class C extends B {
bar() { return super[%DeoptimizeFunction(C.prototype.bar), "foo"]() }
}
%PrepareFunctionForOptimization(C.prototype.bar);
assertEquals(23, new C().bar());
assertEquals(23, new C().bar());
%OptimizeFunctionOnNextCall(C.prototype.bar);
assertEquals(23, new C().bar());