#13253: Exponential compilation time with RWST & ReaderT stack with `-02` -------------------------------------+------------------------------------- Reporter: phadej | Owner: dfeuer Type: bug | Status: new Priority: normal | Milestone: 8.4.1 Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by mpickering): I think it is explained in `Note [Duplicating StrictArg]`? I did confirm this by commenting out the case and observing that the program compiled in a reasonable amount of time. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13253#comment:19 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler