[PATCH] D47073: Document and Enforce new Host Compiler Policy

[Paul Robinson via Phabricator via llvm-commits]

probinson added a comment.

Following up from the BoF and the corresponding email thread:
I think we want to distinguish the general guideline/intent (support N years/releases) from the firm statement "we are actually going to require *this* minimum version starting on *this* date."  There seems to be some resistance to having the latter happen on a strict timeline.
Having separated out those two things, we should specify a minimum lead time for the firm statement to go from a warning to an error.  I threw out 3 months as a starting point for discussion; I don't think it can reasonably be any less than that.  Upgrades like this need to be tested, deployed to lots of people and bots, issues found and corrected.  These things take time.


https://reviews.llvm.org/D47073