[GHC] #16339: Cannot put (.) or (!) type operators into an export list

[GHC]

#16339: Cannot put (.) or (!) type operators into an export list
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  merge
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.7
  (Parser)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC rejects       |            Test Case:
  valid program                      |  parser/should_compile/T16339
      Blocked By:                    |             Blocking:
 Related Tickets:  #15457, #16311    |  Differential Rev(s):
       Wiki Page:                    |  https://gitlab.haskell.org/ghc/ghc/merge_requests/403
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * status:  patch => merge
 * testcase:   => parser/should_compile/T16339
 * related:   => #15457, #16311
 * milestone:   => 8.8.1


Comment:

 Landed in
 [https://gitlab.haskell.org/ghc/ghc/commit/2f4af71e73ac3b59f4faba5bf1b25774b1008898
 2f4af71e73ac3b59f4faba5bf1b25774b1008898] and
 [https://gitlab.haskell.org/ghc/ghc/commit/e204431e5a5e2fd16da52b04bda2798f16c51344
 e204431e5a5e2fd16da52b04bda2798f16c51344].

 These commits should be merged to GHC 8.8 alongside commit
 [https://gitlab.haskell.org/ghc/ghc/commit/887454d8889ca5dbba70425de41d97939cb9ac60
 887454d8889ca5dbba70425de41d97939cb9ac60] from #16311.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16339#comment:4>
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