| // Copyright 2017 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* generator(a) { |
| a.pop().next(); |
| }; |
| %PrepareFunctionForOptimization(generator); |
| function prepareGenerators(n) { |
| var a = [{ next: () => 0 }]; |
| for (var i = 0; i < n; ++i) { |
| a.push(generator(a)); |
| } |
| return a; |
| } |
| |
| var gens1 = prepareGenerators(10); |
| assertDoesNotThrow(() => gens1.pop().next()); |
| |
| %OptimizeFunctionOnNextCall(generator); |
| |
| var gens2 = prepareGenerators(200000); |
| assertThrows(() => gens2.pop().next(), RangeError); |
