#15717: Performance regression in for_ alternatives from GHC 8.2.2 to newer GHCs -------------------------------------+------------------------------------- Reporter: nh2 | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.8.1 Component: Compiler | Version: 8.6.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by nh2): * milestone: => 8.8.1 Comment: Is this something that could be tackled for 8.8? Some of the real-world applications we'd really like to upgrade past 8.2 appear to get slower from this. (Tentatively seting milestone) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15717#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler