haskell-src-exts-1.17.0: tests/examples/EqualityConstraints2.hs.parser.golden

ParseFailed
  (SrcLoc "tests/examples/EqualityConstraints2.hs" 1 19)
  "At least one of TypeFamilies or GADTs language extensions needs to be enabled. Please add: {-# LANGUAGE TypeFamilies #-} or {-# LANGUAGE GADTs #-} language pragma at the top of your module."