[uxp]

Its generally called "self-hosting" when a compiler can compile itself[1]. It was a pretty big deal when Clang became self-hosting[2] in 2010.

[1] https://en.wikipedia.org/wiki/Self-hosting

[2] http://blog.llvm.org/2010/02/clang-successfully-self-hosts.h...

[Vecrios]

Thank you both for your inputs.