Add missing dependencies on generated files
Add missing dependencies on generated files

See #285.

sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,bgamari/shaking-up-ghc,snowleopard/hadrian,izgzhen/hadrian,snowleopard/shaking-up-ghc