| var causeOSI = true; | |
| function rec(x, self) { | |
| if (x === 0 || x !== x) { | |
| if (causeOSI) { | |
| causeOSI = false; | |
| self(NaN, self) | |
| causeOSI = true; | |
| } | |
| return; | |
| } | |
| self(x - 1, self); | |
| } | |
| // Use enough iterations to type infer the script. | |
| causeOSI = false; | |
| for (var i = 0; i < 20; ++i) | |
| rec(1, rec); | |
| causeOSI = true; | |
| rec(2, rec) |