#12844: No Skolem Info with PartialTypeSignatures -------------------------------------+------------------------------------- Reporter: crockeea | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Simon Peyton Jones <simonpj@…>): In [changeset:"1bfff60fc57cd564382b86bdfb1f2764ca15d44f/ghc" 1bfff60f/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="1bfff60fc57cd564382b86bdfb1f2764ca15d44f" Fix inference of partial signatures When we had f :: ( _ ) => blah we were failing to call growThetaTyVars, as we do in the no-type-signature case, and that meant that we weren't generalising over the right type variables. I'm quite surprised this didn't cause problems earlier. Anyway Trac #12844 showed it up and this patch fixes it }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12844#comment:1> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler