[GHC] #15508: concprog001 fails with various errors

[GHC]

#15508: concprog001 fails with various errors
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        Reporter:  osa1              |                Owner:  osa1
            Type:  bug               |               Status:  merge
        Priority:  highest           |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.5
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Runtime crash     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #15571            |  Differential Rev(s):  Phab:D5051
                                     |  (reverted), Phab:D5165, Phab:D5178,
       Wiki Page:                    |  MR:103
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Comment (by Ömer Sinan Ağacan <omeragacan@…>):

 In [changeset:"82d1a88dec216d761b17252ede760da5c566007f/ghc"
 82d1a88d/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="82d1a88dec216d761b17252ede760da5c566007f"
 Implement a sanity check for CCS fields in profiling builds

 This helped me debug one of the bugs in #15508. I'm not sure if this is
 a good idea, but it worked for me, so wanted to submit this as a MR.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15508#comment:41>
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