#10564: GHC 7.10.2 RC cannot build HList-0.4.0.0 -------------------------------------+------------------------------------- Reporter: snoyberg | Owner: Type: bug | Status: new Priority: high | Milestone: 7.10.2 Component: Compiler | Version: 7.10.2-rc1 Resolution: | Keywords: Operating System: Linux | Architecture: x86_64 Type of failure: GHC rejects | (amd64) valid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: -------------------------------------+------------------------------------- Comment (by Simon Peyton Jones <simonpj@…>): In [changeset:"7c07cf16ab5d5bdfb64efb1d4fc5f20cf7437437/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="7c07cf16ab5d5bdfb64efb1d4fc5f20cf7437437" closeOverKinds *before* oclose in coverage check Combining functional dependencies with kind-polymorphism is devilishly tricky! It's all documented in Note [Closing over kinds in coverage] Fixes Trac #10564 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10564#comment:2> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler