js/src/jit-test/tests/ion/getprop-idempotent-cache-2.js@6474c204b198
js/src/jit-test/tests/ion/getprop-idempotent-cache-2.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.
1 function f(o) {
2 var res = 0;
3 for (var i=0; i<110; i++) {
4 res += o.x;
5 }
6 return res;
7 }
9 function O(x) {
10 if ([].length == 0) // Thwart definite slot analysis.
11 this.x = 10;
12 }
14 var o = new O(true);
15 f(o);
17 // Add a getter, this should invalidate the script containing the idempotent cache.
18 var res = 0;
19 o.__defineGetter__("x", function() { res++; });
20 f(o);
21 assertEq(res, 110);
