By the way, based on your description it reminded me about other bug I filled some time ago. Do you think it could be connected? It is not a high
#12734: Missed use of solved dictionaries leads to context stack overflow -------------------------------------+------------------------------------- Reporter: danilo2 | Owner: Type: bug | Status: new Priority: high | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonpj): priority bug, but if it's connected maybe it's worth to mention it: #10778 It's not connected, but it's already fixed! I also discovered #12803 in my travels -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12734#comment:14 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler