in reply to Re^3: How can I turn an op address into the right kind of B::OP?
in thread How can I turn an op address into the right kind of B::OP?

Thanks for the information and clarification.

I need to put all of this on hold and focus on other things, but if/when I come back to this I'll use your suggestions with respect to copying ext/B/B.xs in Perl versions other than 5.26.