#12367: Commit adding instances to GHC.Generics regression compiler performance -------------------------------------+------------------------------------- Reporter: bgamari | Owner: bgamari Type: bug | Status: new Priority: normal | Milestone: 8.0.2 Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Generics 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 bgamari): This minimal program is enough to trigger `GHC.Generics` to be loaded with 673efccb3b348e9daf23d9e65460691bbea8586e yet not without, {{{#!hs module OhNoTooManyInterfaces where concrep :: Int -> [a] -> [a] concrep x y = concat (take x (repeat y)) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12367#comment:13 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler