a757a62bf5
This makes the elimination of checkpoints flowing effect-wise into nodes
having the {Return} operator more permissive. We can cut out checkpoints
even when they are not wholly owned by the return. This also alleviates
a problem where TCO no longer applies.
R=jarin@chromium.org
TEST=mjsunit/regress/regress-crbug-624747
BUG=chromium:624747
Review-Url: https://codereview.chromium.org/2118793002
Cr-Commit-Position: refs/heads/master@{#37480}
23 lines
468 B
JavaScript
23 lines
468 B
JavaScript
// Copyright 2016 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 --es-staging
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"use strict";
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function bar() {
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try {
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unref;
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} catch (e) {
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return (1 instanceof TypeError) && unref(); // Call in tail position!
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}
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}
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function foo() {
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return bar(); // Call in tail position!
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}
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%OptimizeFunctionOnNextCall(foo);
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foo();
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