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41 lines
761 B
41 lines
761 B
10 years ago
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// 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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//
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var f = (function() {
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"use asm";
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function f(x, y) {
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return x - y;
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}
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return f;
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})();
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var counter = 0;
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var deopt = { 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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var o = { toString : function() {
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counter++;
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return "1";
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} };
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counter = 0;
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assertEquals(1, f(deopt, o));
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assertEquals(2, counter);
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%OptimizeFunctionOnNextCall(f);
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counter = 0;
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assertEquals(-1, f(o, deopt));
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assertEquals(2, counter);
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%OptimizeFunctionOnNextCall(f);
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counter = 0;
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assertEquals(0, f(deopt, deopt));
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assertEquals(2, counter);
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