#11608: Possible type-checker regression in GHC 8.0 when compiling `microlens` -------------------------------------+------------------------------------- Reporter: hvr | Owner: simonpj Type: bug | Status: closed Priority: highest | Milestone: 8.0.1 Component: Compiler (Type | Version: 8.0.1-rc2 checker) | Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: GHC rejects | Test Case: valid program | typecheck/should_compile/T11608 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonpj): Jolly good. * The `polykinds` ones are discussed in #11648 * `TcCoercibleFail` is really supposed to fail with `-DDEBUG` (exponential sized types) * I have a patch coming for the other three. So this is good news really. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11608#comment:17 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler