[ksec]

>Is there some tipping point where gcc has too few significant end users to stay relevant? I'd hate to lose the diversity.

Yes. There will be a tipping point, as with any economic theory of sustainability. No, we wont reach that tipping point in the foreseeable future. It is still extremely widely used, and continue to be actively developed.

LLVM and GCC will likely enjoy duopoly in the Open Source Space for a very long time.