#7436: Derived Foldable and Traversable instances become extremely inefficient due to eta-expansion --------------------------------------------+------------------------------ Reporter: shachaf | Owner: Type: bug | Status: closed Priority: normal | Milestone: 7.6.3 Component: Compiler | Version: 7.6.1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime performance bug | Unknown/Multiple Test Case: perf/should_runt/T7436 | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: --------------------------------------------+------------------------------ Changes (by monoidal): * status: merge => closed Comment: It has been fixed in HEAD long time ago, but was not merged into 7.6. Since 7.6.4 is not officially planned, I'm closing the ticket. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/7436#comment:24 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler