This is going in circles and this is my last comment on it, but here is what I originally replied to:
> So you can never be perfectly bleeding edge as it'd keep you from being able to build your compiler with an older compiler that doesn't support those bleeding edge features.
…as though building the new version of the compiler depended on the features it’s implementing already existing. This is clearly not the case.
alt Hacker News
This is going in circles and this is my last comment on it, but here is what I originally replied to:
> So you can never be perfectly bleeding edge as it'd keep you from being able to build your compiler with an older compiler that doesn't support those bleeding edge features.
…as though building the new version of the compiler depended on the features it’s implementing already existing. This is clearly not the case.