[GHC] #14479: Partial type signatures and generalisation

[GHC]

#14479: Partial type signatures and generalisation
-------------------------------------+-------------------------------------
        Reporter:  simonpj           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1
      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 Simon Peyton Jones <simonpj@…>):

 In [changeset:"72938f5890dac81afad52bf58175c1e29ffbc6dd/ghc"
 72938f58/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="72938f5890dac81afad52bf58175c1e29ffbc6dd"
 Check for bogus quantified tyvars in partial type sigs

 This fixes Trac #14479.  Not difficult.

 See Note [Quantification and partial signatures] Wrinkle 4,
 in TcSimplify.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14479#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler