#11246: Regression typechecking type synonym which includes `Any`. -------------------------------------+------------------------------------- Reporter: mpickering | Owner: goldfire Type: bug | Status: new Priority: highest | Milestone: 8.0.1 Component: Compiler (Type | Version: 8.0.1-rc2 checker) | Resolution: | Keywords: TypeInType 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: | -------------------------------------+------------------------------------- Changes (by bgamari): * failure: None/Unknown => GHC rejects valid program * component: Compiler => Compiler (Type checker) @@ -1,1 +1,1 @@ - {{{ + {{{#!hs New description: {{{#!hs module Foo where import GHC.Exts type Key a = Any }}} produces the error message on HEAD but compiles on 7.8.3 and 7.10.1 (thanks to Reid for testing). {{{ unsafeany.hs:5:1: error: • The type family ‘Any’ should have no arguments, but has been given none • In the type synonym declaration for ‘Key’ Failed, modules loaded: none. }}} -- -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11246#comment:8 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler