js/src/jit-test/tests/jaeger/testSetElem-NewProto.js@6474c204b198 (annotated)
js/src/jit-test/tests/jaeger/testSetElem-NewProto.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 | // vim: set ts=8 sts=4 et sw=4 tw=99: |
| michael@0 | 2 | |
| michael@0 | 3 | function f() { |
| michael@0 | 4 | return [[], [], [], []]; |
| michael@0 | 5 | } |
| michael@0 | 6 | |
| michael@0 | 7 | function setelem(obj, key, val) { |
| michael@0 | 8 | obj[key] = val; |
| michael@0 | 9 | } |
| michael@0 | 10 | |
| michael@0 | 11 | // Generate IC |
| michael@0 | 12 | setelem([], 0, "hi"); |
| michael@0 | 13 | setelem([], 0, "hi"); |
| michael@0 | 14 | |
| michael@0 | 15 | var arrays = f(); |
| michael@0 | 16 | |
| michael@0 | 17 | var evil = { }; |
| michael@0 | 18 | Object.defineProperty(evil, "1", { set: function (v) { this.ham = v; } }); |
| michael@0 | 19 | Array.prototype.__proto__ = evil; |
| michael@0 | 20 | |
| michael@0 | 21 | var k = arrays[0]; |
| michael@0 | 22 | setelem(k, 1, "yam"); |
| michael@0 | 23 | assertEq(k.ham, "yam"); |
| michael@0 | 24 |
