js/src/jit-test/tests/basic/bug657227.js@6474c204b198 (annotated)
js/src/jit-test/tests/basic/bug657227.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | var obj; |
| michael@0 | 2 | var counter = 0; |
| michael@0 | 3 | var p = Proxy.create({ |
| michael@0 | 4 | has : function(id) { |
| michael@0 | 5 | if (id == 'xyz') { |
| michael@0 | 6 | ++counter; |
| michael@0 | 7 | if (counter == 7) { |
| michael@0 | 8 | obj.__proto__ = null; |
| michael@0 | 9 | } |
| michael@0 | 10 | return true; |
| michael@0 | 11 | } |
| michael@0 | 12 | return false; |
| michael@0 | 13 | }, |
| michael@0 | 14 | get : function(id) { |
| michael@0 | 15 | if (id == 'xyz') |
| michael@0 | 16 | return 10; |
| michael@0 | 17 | } |
| michael@0 | 18 | }); |
| michael@0 | 19 | |
| michael@0 | 20 | function test() |
| michael@0 | 21 | { |
| michael@0 | 22 | Object.prototype.__proto__ = null; |
| michael@0 | 23 | obj = { xyz: 1}; |
| michael@0 | 24 | var n = 0; |
| michael@0 | 25 | for (var i = 0; i != 100; ++i) { |
| michael@0 | 26 | var s = obj.xyz; |
| michael@0 | 27 | if (s) |
| michael@0 | 28 | ++n; |
| michael@0 | 29 | if (i == 10) { |
| michael@0 | 30 | delete obj.xyz; |
| michael@0 | 31 | Object.prototype.__proto__ = p; |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | } |
| michael@0 | 35 | } |
| michael@0 | 36 | |
| michael@0 | 37 | try { |
| michael@0 | 38 | test(); |
| michael@0 | 39 | } catch (e) {} |
