[GHC] #7836: "Invalid object in processHeapClosureForDead" when profiling with -hb

GHC ghc-devs at haskell.org
Wed Apr 4 20:33:57 UTC 2018


#7836: "Invalid object in processHeapClosureForDead" when profiling with -hb
-------------------------------------+-------------------------------------
        Reporter:  hyperthunk        |                Owner:  (none)
            Type:  bug               |               Status:  infoneeded
        Priority:  normal            |            Milestone:
       Component:  Profiling         |              Version:  7.4.2
      Resolution:                    |             Keywords:  profiling osx
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Runtime crash     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #9640             |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by crockeea):

 I just hit this bug on x86_64 with GHC-8.2.2. It's a large program, so I
 can't provide an example, but this is still a problem.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7836#comment:19>
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