[GHC] #11983: Can't use IntPtr or WordPtr in a foreign import

[GHC]

#11983: Can't use IntPtr or WordPtr in a foreign import
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  RyanGlScott
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler (FFI)    |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #3008, #5529      |  Differential Rev(s):  Phab:D2142
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"a28611b14930c9fd73b0028857e1ea8c0e64a38a/ghc" a28611b/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="a28611b14930c9fd73b0028857e1ea8c0e64a38a"
 Export constructors for IntPtr and WordPtr

 This finishes what #5529 started by exporting the constructors for
 `IntPtr` and `WordPtr` from `Foreign.Ptr`, allowing them to be used in
 `foreign` declarations.

 Fixes #11983.

 Test Plan: `make TEST=T11983`

 Reviewers: simonpj, hvr, bgamari, austin

 Reviewed By: simonpj

 Subscribers: simonpj, thomie

 Differential Revision: https://phabricator.haskell.org/D2142

 GHC Trac Issues: #11983
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11983#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler