changelog.d/pr-8794

   1 synopsis: Disallow GHC <8.0 for
   2 packages: Cabal Cabal-syntax cabal-install-solver
   3 prs: #8794
   4 issues: #8715 #7531
   5
   6 description: {
   7
   8 Disallow GHC <8.0 by restricting the version of base that can be used to at least 4.9
   9
  10 }