Question about function Split with va_args

[Hanke Zhang]

Hi

I've been working on function splits recently, and I've noticed that
functions with va_args arguments won't be split, so why is that? I
tried to understand the comments in the source code, but I still don't
get the specific reason.

At the same time, if I do want to split functions with va_args
arguments when it's safe to do, how do I define security here? In
other words, how should I know that a function with va_args can be
split? Or I can't?

Thanks
Hanke Zhang