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939278ac05
Reviewed-By: Fedor Indutny <fedor@indutny.com> PR-URL: https://github.com/joyent/node/pull/8476
25 lines
508 B
JavaScript
25 lines
508 B
JavaScript
// Copyright 2014 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 p(x) {
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this.x = x;
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}
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function f() {
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var a = new p(1), b = new p(2);
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for (var i = 0; i < 1; i++) {
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a.x += b.x;
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}
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return a.x;
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}
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new p(0.1); // make 'x' mutable box double field in p.
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assertEquals(3, f());
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assertEquals(3, f());
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%OptimizeFunctionOnNextCall(f);
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assertEquals(3, f());
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