| // 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 --harmony-tailcalls |
| |
| function h() { |
| var res = g.arguments; |
| return res; |
| } |
| |
| function g(o) { |
| var res = h(); |
| return res; |
| } |
| |
| function f1() { |
| var o = { x : 42 }; |
| var res = g(o); |
| return 1; |
| } |
| |
| function f0(a, b) { |
| "use strict"; |
| return f1(5); |
| } |
| |
| function boom(b) { |
| if (b) throw new Error("boom!"); |
| } |
| |
| %NeverOptimizeFunction(h); |
| f0(); |
| f0(); |
| %OptimizeFunctionOnNextCall(f0); |
| |
| boom(false); |
| boom(false); |
| %OptimizeFunctionOnNextCall(boom); |
| |
| try { |
| f0(1, 2, 3); |
| boom(true, 1, 2, 3); |
| } catch (e) { |
| } |
