[GHC] #13340: Core top-level bindings no longer deduplicated

[GHC]

#13340: Core top-level bindings no longer deduplicated
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        Reporter:  rwbarton          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"517ad201ff6ca1ef0d78c22f31de747709fb7c99/ghc" 517ad20/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="517ad201ff6ca1ef0d78c22f31de747709fb7c99"
 Add testcase for #13340

 Test Plan: Validate

 Reviewers: rwbarton, austin

 Reviewed By: rwbarton

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D3215
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13340#comment:7>
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