On Saturday, 11 May 2013 at 17:10:51 UTC, Daniel Murphy wrote:
If you decide that all later versions of the compiler must compile with all earlier versions of phobos, then those phobos modules are unable to change.
In (the rare) case of breaking changes, we could always work around them in the compiler source (depending on __VERSION__), rather than duplicating everything up-front.
I believe *this* is the nice middle ground. David
