[GHC] #11550: ghc-HEAD -DDEBUG is broken (possiby by D1880)

[GHC]

#11550: ghc-HEAD -DDEBUG is broken (possiby by D1880)
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        Reporter:  slyfox            |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.1
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash                              |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1889
       Wiki Page:                    |
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Comment (by Ömer Sinan Ağacan <omeragacan@…>):

 In [changeset:"023fc92f6f98a8bd003ce20083d3682aec865cb5/ghc"
 023fc92f/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="023fc92f6f98a8bd003ce20083d3682aec865cb5"
 Remove unused LiveVars and SRT fields of StgCase

 We also need to update `stgBindHasCafRefs` assertion with this change,
 as we no longer have the pre-computed SRT, LiveVars etc. We rename it to
 `topStgBindHasCafRefs` and implement it like this:

 A non-updatable top-level binding may refer to a CAF by referring to a
 top-level definition with CAFs. A top-level definition may have CAFs if
 it's updatable. At this point (because this is done after TidyPgm)
 top-level Ids (whether imported or defined in this module) are
 GlobalIds, so the top-levelness test is easy. (see also comments in the
 code)

 Reviewers: bgamari, simonpj, austin

 Reviewed By: simonpj

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D1889

 GHC Trac Issues: #11550
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11550#comment:7>
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