#10749: Boot file instances should imply superclasses -------------------------------------+------------------------------------- Reporter: ezyang | Owner: ezyang Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.11 Resolution: | Keywords: backpack 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 ezyang): I took a look into solving this, but I realized that I don't actually know how we normally report an error when an instance declaration is made but the superclasses do not hold. The error isn't reported until late when we're discharging top-level wanteds so I actually have no idea where the wanted is coming from (or why it's not coming in the case of hs-boot.) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10749#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler