[GHC] #12930: DDEBUG build broken

[GHC]

#12930: DDEBUG build broken
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        Reporter:  mpickering        |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      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 Matthew Pickering <matthewtpickering@…>):

 In [changeset:"eafa06dce4aa815159ebba5a34d5137cf401ffbc/ghc"
 eafa06dc/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="eafa06dce4aa815159ebba5a34d5137cf401ffbc"
 Revert "Mark rn017 and T7672 as expect_broken(#12930) with -DDEBUG"

 This reverts commit 19ae142364058e258122f4bb68ef4b9aa6e41890.
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12930#comment:3>
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