| // Copyright 2016 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --allow-natives-syntax |
| |
| function foo() { |
| return function(c) { |
| var double_var = [3.0, 3.5][0]; |
| var literal = c ? [1, double_var] : [double_var, 3.5]; |
| return literal[0]; |
| }; |
| } |
| |
| var f1 = foo(); |
| var f2 = foo(); |
| |
| // Both closures point to full code. |
| f1(false); |
| f2(false); |
| |
| // Optimize f1, but don't initialize the [1, double_var] literal. |
| %OptimizeFunctionOnNextCall(f1); |
| f1(false); |
| |
| // Initialize the [1, double_var] literal, and transition the boilerplate to |
| // double. |
| f2(true); |
| |
| // Trick crankshaft into writing double_var at the wrong position. |
| var l = f1(true); |
| assertEquals(1, l); |