| // Copyright 2015 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(x) { |
| (function(x) { |
| var boom = (() => eval(x)); |
| %PrepareFunctionForOptimization(boom); |
| assertEquals(23, boom()); |
| assertEquals(23, boom()); |
| %OptimizeFunctionOnNextCall(boom); |
| assertEquals(23, boom()); |
| assertEquals("23", x); |
| })("23"); |
| assertEquals("42", x); |
| })("42"); |
| |
| (function(x) { |
| (function(x) { |
| var boom = (() => (eval("var x = 66"), x)); |
| %PrepareFunctionForOptimization(boom); |
| assertEquals(66, boom()); |
| assertEquals(66, boom()); |
| %OptimizeFunctionOnNextCall(boom); |
| assertEquals(66, boom()); |
| assertEquals("23", x); |
| })("23"); |
| assertEquals("42", x); |
| })("42"); |