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9fddd83cf9
Upgrade to the latest branch-head for V8 4.5. For the full commit log see https://github.com/v8/v8-git-mirror/commits/4.5.103.24 PR-URL: https://github.com/nodejs/node/pull/2509 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
45 lines
836 B
JavaScript
45 lines
836 B
JavaScript
// Copyright 2015 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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var m = (function() {
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"use asm";
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function f(x) {
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return x < 0;
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}
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function g(x) {
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return 0 < x;
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}
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return { f: f, g: g };
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})();
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var f = m.f;
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var g = m.g;
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var counter = 0;
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function deopt(f) {
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return {
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toString : function() {
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%DeoptimizeFunction(f);
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counter++;
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return "2";
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}
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};
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}
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assertEquals(false, f(deopt(f)));
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assertEquals(1, counter);
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assertEquals(true, g(deopt(g)));
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assertEquals(2, counter);
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%OptimizeFunctionOnNextCall(f);
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assertEquals(false, f(deopt(f)));
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assertEquals(3, counter);
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%OptimizeFunctionOnNextCall(g);
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assertEquals(true, g(deopt(g)));
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assertEquals(4, counter);
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