#5642: Deriving Generic of a big type takes a long time and lots of space -------------------------------------+------------------------------------- Reporter: basvandijk | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.3 Resolution: | Keywords: deriving- | perf, Generics Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: T5642 Blocked By: | Blocking: Related Tickets: #13059 | Differential Rev(s): Phab:D2304 Wiki Page: | -------------------------------------+------------------------------------- Comment (by NeilMitchell): See also https://github.com/haskell/cabal/issues/5893 which hits the same issue and makes GHC itself compile slowly. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/5642#comment:52 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler