> Furthermore, this all inhibits en-registering variables, because exception unwinding doesn't restore registers. I'm sorry, but this is just not true of at le

> Furthermore, this all inhibits en-registering variables, because exception unwinding doesn't restore registers. I'm sorry, but this is just not true of at least the Itanium exception handling system used by Linux, macOS, etc on most architectures. It does make the exception handling data quite large and throwing extra slow, of course.