#11266: Can't :browse some modules with GHCi 7.11 -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: Type: bug | Status: new Priority: high | Milestone: 8.0.1 Component: GHCi | Version: 7.11 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: GHCi crash Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- Trying to `:browse` certain modules with GHCi fails with GHC 7.11: {{{ $ inplace/bin/ghc-stage2 --interactive GHCi, version 7.11.20151219: http://www.haskell.org/ghc/ :? for help λ> :browse GHC.Base ($) :: forall (w :: GHC.Types.Levity) a (b :: TYPE w). (a -> b) -> a -> b ($!) :: (a -> b) -> a -> b <lots of output elided> data Ordering*** Exception: No match in record selector tyConTyVars λ> :browse GHC.Exts class GHC.Exts.IsList l where type family GHC.Exts.Item l Kind: * -> * GHC.Exts.fromList :: [GHC.Exts.Item l] -> l GHC.Exts.fromListN :: Int -> [GHC.Exts.Item l] -> l GHC.Exts.toList :: l -> [GHC.Exts.Item l] {-# MINIMAL fromList, toList #-} <lots of output elided> data GHC.Prim.MutableByteArray# a*** Exception: No match in record selector tyConTyVars λ> :browse GHC.Prim *** Exception: No match in record selector tyConTyVars }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11266 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler