33 lines
776 B
JavaScript
33 lines
776 B
JavaScript
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// 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
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function foo() {
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return function(c) {
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var double_var = [3.0, 3.5][0];
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var literal = c ? [1, double_var] : [double_var, 3.5];
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return literal[0];
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};
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}
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var f1 = foo();
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var f2 = foo();
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// Both closures point to full code.
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f1(false);
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f2(false);
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// Optimize f1, but don't initialize the [1, double_var] literal.
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%OptimizeFunctionOnNextCall(f1);
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f1(false);
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// Initialize the [1, double_var] literal, and transition the boilerplate to
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// double.
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f2(true);
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// Trick crankshaft into writing double_var at the wrong position.
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var l = f1(true);
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assertEquals(1, l);
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