The Tor Browser / file comparison
comparison: js/src/jit-test/tests/ion/getprop-idempotent-cache-2.js
js/src/jit-test/tests/ion/getprop-idempotent-cache-2.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:74632218558a |
|---|---|
| 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 } | |
| 8 | |
| 9 function O(x) { | |
| 10 if ([].length == 0) // Thwart definite slot analysis. | |
| 11 this.x = 10; | |
| 12 } | |
| 13 | |
| 14 var o = new O(true); | |
| 15 f(o); | |
| 16 | |
| 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); |
