js/src/jit-test/tests/ion/getprop-idempotent-cache-2.js@b8a032363ba2 (annotated)
js/src/jit-test/tests/ion/getprop-idempotent-cache-2.js
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | function f(o) { |
| michael@0 | 2 | var res = 0; |
| michael@0 | 3 | for (var i=0; i<110; i++) { |
| michael@0 | 4 | res += o.x; |
| michael@0 | 5 | } |
| michael@0 | 6 | return res; |
| michael@0 | 7 | } |
| michael@0 | 8 | |
| michael@0 | 9 | function O(x) { |
| michael@0 | 10 | if ([].length == 0) // Thwart definite slot analysis. |
| michael@0 | 11 | this.x = 10; |
| michael@0 | 12 | } |
| michael@0 | 13 | |
| michael@0 | 14 | var o = new O(true); |
| michael@0 | 15 | f(o); |
| michael@0 | 16 | |
| michael@0 | 17 | // Add a getter, this should invalidate the script containing the idempotent cache. |
| michael@0 | 18 | var res = 0; |
| michael@0 | 19 | o.__defineGetter__("x", function() { res++; }); |
| michael@0 | 20 | f(o); |
| michael@0 | 21 | assertEq(res, 110); |
