Well, we're talking a safe language. So, if want an archaic red herring, you'd be better bringing up Burroughs written in an Ada predecessor that was immune to

Well, we're talking a safe language. So, if want an archaic red herring, you'd be better bringing up Burroughs written in an Ada predecessor that was immune to most forms of code injection or crashes in 1961. If you want small and Ada, then Martes RTOS is one written in Ada that's still around. For small and secure, the Muen separation kernel can handle it.