do not survive intact on all platforms: in this case a WARNING is
signalled when saving the core. If no warning is signalled, then the
foreign symbol references will remain intact. Platforms where this is
-currently the case are x86/FreeBSD, x86/Linux, and sparc/SunOS.
+currently the case are x86/FreeBSD, x86/Linux, x86/NetBSD,
+sparc/Linux, and sparc/SunOS.
This implementation is not as polished and painless as you might like:
* It corrupts the current Lisp image enough that the current process