[GHC] #12881: GHC 8.0.2 regression involving OVERLAP annotations

[GHC]

#12881: GHC 8.0.2 regression involving OVERLAP annotations
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        Reporter:  RyanGlScott       |                Owner:
            Type:  bug               |               Status:  patch
        Priority:  high              |            Milestone:  8.0.2
       Component:  Compiler          |              Version:  8.0.2-rc1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2760
       Wiki Page:                    |
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Comment (by Ryan Scott <ryan.gl.scott@…>):

 In [changeset:"abd4a4c13e5dbaac8f1c28d8c9d9446e383f6037/ghc"
 abd4a4c1/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="abd4a4c13e5dbaac8f1c28d8c9d9446e383f6037"
 Make note of #12881 in 8.0.2 release notes

 Summary: Resolves #12881.

 Test Plan: Read it, commit it, merge it, ship it

 Reviewers: hvr, simonpj, austin, bgamari

 Reviewed By: simonpj

 Subscribers: simonpj, thomie

 Differential Revision: https://phabricator.haskell.org/D2760

 GHC Trac Issues: #12881
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12881#comment:12>
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