#11431: GHC instantiates levity-polymorphic type variables with foralls -------------------------------------+------------------------------------- Reporter: gridaphobe | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.1 Resolution: fixed | Keywords: | TypeApplications, | LevityPolymorphism Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by goldfire): * status: new => closed * resolution: => fixed Comment: This seems resolved. GHC now allows no impredicative polymorphism, even for levity-polymorphic values. Closing the ticket. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11431#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler