#12234: 'deriving Eq' on recursive datatype makes ghc eat a lot of CPU and RAM -------------------------------------+------------------------------------- Reporter: slyfox | Owner: Type: bug | Status: merge Priority: normal | Milestone: 8.0.3 Component: Compiler | Version: 8.0.1 Resolution: | Keywords: deriving-perf Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Compile-time | Test Case: performance bug | perf/should_compile/T12234 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by simonpj): * status: new => merge * testcase: => perf/should_compile/T12234 * milestone: => 8.0.3 Comment: Fixed! Thanks for a great report. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12234#comment:13 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler