31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
29 lines
696 B
JavaScript
29 lines
696 B
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 --turbo-escape
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function foo() {
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var a = {x:1};
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var b = {x:1.5, y: 1};
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var x = 0;
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for (var i = 0; i < 1; i = {}) {
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// The second iteration of this loop is dead code, leading to a
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// contradiction between dynamic and static information.
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x += a.x + 0.5;
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x += a.x % 0.5;
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x += Math.abs(a.x);
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x += a.x < 6;
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x += a.x === 7;
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x += a.x <= 8;
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a = b;
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}
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return x;
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}
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%PrepareFunctionForOptimization(foo);
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foo();
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foo();
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%OptimizeFunctionOnNextCall(foo);
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foo();
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