#15625: GHC panic, with QuantifiedConstraints -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.6.1-beta1 Resolution: | Keywords: | QuantifiedConstraints Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by monoidal): Simpler version that also gives Core Lint warning: {{{ {-# Language GADTs, MultiParamTypeClasses, QuantifiedConstraints #-} class a ~ b => Equal a b ekki__ :: (forall b. Equal a b) => a ekki__ = False }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15625#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler