Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --allow-natives-syntax --harmony-tailcalls |
| 6 | |
| 7 | function h() { |
| 8 | var res = g.arguments; |
| 9 | return res; |
| 10 | } |
| 11 | |
| 12 | function g(o) { |
| 13 | var res = h(); |
| 14 | return res; |
| 15 | } |
| 16 | |
| 17 | function f1() { |
| 18 | var o = { x : 42 }; |
| 19 | var res = g(o); |
| 20 | return 1; |
| 21 | } |
| 22 | |
| 23 | function f0(a, b) { |
| 24 | "use strict"; |
| 25 | return f1(5); |
| 26 | } |
| 27 | |
| 28 | function boom(b) { |
| 29 | if (b) throw new Error("boom!"); |
| 30 | } |
| 31 | |
| 32 | %NeverOptimizeFunction(h); |
| 33 | f0(); |
| 34 | f0(); |
| 35 | %OptimizeFunctionOnNextCall(f0); |
| 36 | |
| 37 | boom(false); |
| 38 | boom(false); |
| 39 | %OptimizeFunctionOnNextCall(boom); |
| 40 | |
| 41 | try { |
| 42 | f0(1, 2, 3); |
| 43 | boom(true, 1, 2, 3); |
| 44 | } catch (e) { |
| 45 | } |