#13279: Check known-key lists -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.4.1 Component: Compiler | Version: 8.1 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: -------------------------------------+------------------------------------- I noticed that `fmap` (for example) has a known key {{{#!hs fmapName = varQual gHC_BASE (fsLit "fmap") fmapClassOpKey fmapClassOpKey = mkPreludeMiscIdUnique 173 }}} but its `RdrName` doesn't refer to it. {{{#!hs fmap_RDR = varQual_RDR gHC_BASE (fsLit "fmap") }}} Is there a reason for this? If not, it seems likely that we could get a bit of a speed-up by using `fmapName` here. We may also consider making `liftA2` known-key for `Traversable` deriving. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13279 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler