>>>>> "Jie" == Jie Liu <lj8...@gmail.com> writes:
Jie> In my debug, there appears no check for 'this' at start of String.length(): Yeah, I looked for uses of flag_check_references and didn't see one when building a method's body. So I guess I mis-remembered this. In any case, the spot you found is just the tip of the problem. Any method call in any of the C++ code could potentially have the same issue. Tom