#13915: GHC 8.2 regression: "Can't find interface-file declaration" for promoted data family instance -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.2.1 Component: Compiler | Version: 8.2.1-rc2 Resolution: | Keywords: TypeInType, | TypeFamilies, Typeable 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 RyanGlScott): * cc: bgamari (added) * keywords: TypeInType, TypeFamilies => TypeInType, TypeFamilies, Typeable Comment: This regression was introduced in 8fa4bf9ab3f4ea4b208f4a43cc90857987e6d497 (Type-indexed Typeable). -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13915#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler