#14083: ? -------------------------------------+------------------------------------- Reporter: zaoqi | Owner: (none) Type: feature request | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.2 Resolution: | Keywords: 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 AntC): ? repeat of #14004 (or at least same code) To repeat Ryan's ticket:14004#comment:3 from there
Your description still isn't very clear. What exactly is the bug here?
Try: {{{ instance {-# OVERLAPPING #-} (Eq a) => GEq a a where geq = (==) instance {-# OVERLAPPABLE #-} GEq a b where geq _ _ = False }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14083#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler