[GHC] #11044: Parse error on empty multi-line deprecation warnings

[GHC]

#11044: Parse error on empty multi-line deprecation warnings
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        Reporter:  inaki             |                Owner:
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.10.2
  (Parser)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC rejects       |            Test Case:
  valid program                      |  parser/should_compile/T3303
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1433
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"8262c954ac3084f0dfcb6d5fa6e6172afd22eae7/ghc" 8262c95/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="8262c954ac3084f0dfcb6d5fa6e6172afd22eae7"
 Parser: allow empty multi-line deprecation warnings

 This should work,

     {-# DEPRECATED someFunction [] #-}

 Test Plan: parser/should_compile/T3303

 Reviewers: bgamari, austin

 Reviewed By: austin

 Subscribers: mpickering

 Differential Revision: https://phabricator.haskell.org/D1433

 GHC Trac Issues: #11044
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11044#comment:2>
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