#8714: ExistentialQuantification plus DeriveDataTypeable leads to core lint error -------------------------------------------------+------------------------- Reporter: CoreyOConnor | Owner: Type: bug | Status: merge Priority: highest | Milestone: 7.8.1 Component: Compiler | Version: Resolution: | 7.8.1-rc2 Operating System: Unknown/Multiple | Keywords: Type of failure: None/Unknown | Architecture: Test Case: | x86_64 (amd64) simplCore/should_compile/T8714 | Difficulty: Blocking: | Unknown | Blocked By: | Related Tickets: -------------------------------------------------+------------------------- Changes (by simonpj): * status: new => merge * testcase: => simplCore/should_compile/T8714 Comment: Finally fixed this. Sorry it's been a long time coming ... I kept getting distracted. Thank you for a lovely small test case. Let's merge this to 7.8 Simon -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8714#comment:12 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler