#14174: GHC panic with TypeInType and type family -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.2.2 Component: Compiler (Type | Version: 8.2.1 checker) | Resolution: | Keywords: TypeInType Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonpj): Here is a simpler way to trigger the same panic {{{ {-# LANGUAGE TypeInType, RankNTypes, KindSignatures, PolyKinds #-} module Foo where data T k (x :: k) = MkT data S x = MkS (T (x Int) x) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14174#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler