#9211: Untouchable type variable (regression from 7.6) -------------------------------------+------------------------------------- Reporter: simonpj | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.2 Resolution: | Keywords: Operating System: | Architecture: Unknown/Multiple Unknown/Multiple | Difficulty: Unknown Type of failure: | Blocked By: None/Unknown | Related Tickets: Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by simonpj): Notes from S and D * Level on skols * Orient skol eqs a~b * Level on EqCtList * getUnsolvedInerts also looks for given equalities FROM THIS LEVEL * …and finds non-let-bound ones Let-bound ones * a~ty, where a is a skol from this level * F tys ~ b, where b is a skol from this level, and b does not appear in any remaining ones (iterate) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9211#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler