| // 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 --opt |
| |
| function foo(a, b) { |
| return a + "0123456789012"; |
| } |
| |
| %PrepareFunctionForOptimization(foo); |
| foo("a"); |
| foo("a"); |
| %OptimizeFunctionOnNextCall(foo); |
| foo("a"); |
| |
| var a = "a".repeat(%StringMaxLength()); |
| assertThrows(function() { foo(a); }, RangeError); |
| |
| %PrepareFunctionForOptimization(foo); |
| %OptimizeFunctionOnNextCall(foo); |
| assertThrows(function() { foo(a); }, RangeError); |
| assertOptimized(foo); |