!14: Require happy >= 1.19.10 · Merge requests · Glasgow Haskell Compiler / ci-images · GitLab

Oleg Grenrus requested to merge phadej/ci-images:happy-1.19.10 into master May 09, 2019

See https://mail.haskell.org/pipermail/ghc-devs/2019-May/017600.html