#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: 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 RyanGlScott): * cc: simonpj (added) Comment: This regression was introduced in commit 71037b61597d8e80ba5acebc8ad2295e5266dc07 (`Join-point refactoring`). -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15717#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler