I just pushed to wip/T11028 It is very much a work in progress, working through to sort out the compiler errors, in the simplest way at the moment. On Wed, Nov 25, 2015 at 3:06 PM, GHC wrote:

#11028: Refactor ConDecl -------------------------------------+------------------------------------- Reporter: simonpj | Owner: alanz Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+-------------------------------------

Comment (by simonpj):

Yes, because of the possibility of `HsRecTy`, you can't use `tcHsSigType`. So something like what you propose looks good.

Ca you make a branch and push what you have so that I can see?

-- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11028#comment:19 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler