[GHC] #14590: Sectioned hole oddities

[GHC]

#14590: Sectioned hole oddities
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #13050            |  Differential Rev(s):  Phab:D4273
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Ryan Scott <ryan.gl.scott@…>):

 In [changeset:"4d41e9212d1fdf109f2d0174d204644446f5874c/ghc" 4d41e92/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="4d41e9212d1fdf109f2d0174d204644446f5874c"
 Improve treatment of sectioned holes

 Summary:
 Previously, GHC was pretty-printing left-section holes
 incorrectly and not parsing right-sectioned holes at all. This patch
 fixes both problems.

 Test Plan: make test TEST=T14590

 Reviewers: bgamari, simonpj

 Reviewed By: simonpj

 Subscribers: simonpj, rwbarton, thomie, mpickering, carter

 GHC Trac Issues: #14590

 Differential Revision: https://phabricator.haskell.org/D4273
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14590#comment:2>
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