[GHC] #13163: Make type import/export API Annotation friendly

[GHC]

#13163: Make type import/export API Annotation friendly
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        Reporter:  alanz             |                Owner:  alanz
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.0.1
  (Parser)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect API     |  Unknown/Multiple
  annotation                         |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3016
       Wiki Page:                    |
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Comment (by Alan Zimmerman <alan.zimm@…>):

 In [changeset:"0d1cb1574dd58d1026cac812e2098135823fa419/ghc"
 0d1cb157/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="0d1cb1574dd58d1026cac812e2098135823fa419"
 Make type import/export API Annotation friendly

 Summary:
 At the moment an export of the form

    type C(..)

 is parsed by the rule

 ```
   |  'type' oqtycon           {% amms (mkTypeImpExp (sLL $1 $> (unLoc
 $2)))
                                      [mj AnnType $1,mj AnnVal $2] }
 ```

 This means that the origiinal oqtycon loses its location which is then
 retained
 in the AnnVal annotation.

 The problem is if the oqtycon has its own annotations, these get lost.

 e.g. in

   type (?)(..)

 the parens annotations for (?) get lost.

 This patch adds a wrapper around the name in the IE type to

 (a) provide a distinct location for the adornment annotation and

 (b) identify the specific adornment, for use in the pretty printer rather
 than
 occName magic.

 Updates haddock submodule

 Test Plan: ./validate

 Reviewers: mpickering, dfeuer, bgamari, austin

 Reviewed By: dfeuer

 Subscribers: dfeuer, thomie, mpickering

 Differential Revision: https://phabricator.haskell.org/D3016

 GHC Trac Issues: #13163
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13163#comment:4>
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