#15135: Overlapping typeclass instance selection depends on the optimisation level -------------------------------------+------------------------------------- Reporter: nicuveo | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.8.1 Component: Compiler | Version: 8.4.2 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 baramoglo): Replying to [comment:4 AntC]:
BTW what happens if you change all the pragmas to `OVERLAPS`?
Then it works correctly. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15135#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler