Ah, great thanks! On Fri, 6 Jan 2017, 20:32 GHC, wrote:

#13035: GHC enters a loop when partial type signatures and advanced type level code mix -------------------------------------+------------------------------------- Reporter: xcmw | Owner: Type: bug | Status: merge Priority: normal | Milestone: 8.0.3 Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | perf/compiler/T13035 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+-------------------------------------

Comment (by RyanGlScott):

I believe mpickering fixed in in f3c7cf9b89cad7f326682b23d9f3908ebf0f8f9d and 54227a45352903e951b81153f798162264f02ad9.

-- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13035#comment:8 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler