[PATCH] D40225: Add -std=c17 as a flag

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman added a comment.

In https://reviews.llvm.org/D40225#944113, @aaron.ballman wrote:

> Rebased on ToT and given more context.


Ping. I'd like to get this in before the 6.0 branch.


https://reviews.llvm.org/D40225