Assertion failure in GlobOpt.cpp

the following poc cause a assertion failure in "debug" build on ubuntu.

```
function main() {
do {
for (let v7 = 0; v7 != 0; v7++) {
for (let v11 = 0; v11 < 9; v11 = v11 + 2147483647) {
}
}
} while (0 !== 6);

}
main();
```