#9557: Deriving instances is slow -------------------------------------+------------------------------------- Reporter: Feuerbach | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.3 Resolution: | Keywords: Operating System: | Architecture: Unknown/Multiple Unknown/Multiple | Difficulty: Unknown Type of failure: | Blocked By: None/Unknown | Related Tickets: #8731 Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by nomeata): Obviously, people have considered my second suggest before, see `Note [Do not rely on compare]` in [source:ghc/compiler/typecheck/TcGenDeriv.lhs#L300]... -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9557#comment:11 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler