[GHC] #8866: scavenge_stack: weird activation record found on stack on "cabal install -j"

[GHC]

#8866: scavenge_stack: weird activation record found on stack on "cabal install
-j"
----------------------------------+----------------------------------
        Reporter:  adinapoli      |            Owner:
            Type:  bug            |           Status:  new
        Priority:  normal         |        Milestone:  7.8.1
       Component:  Build System   |          Version:  7.8.1-rc2
      Resolution:                 |         Keywords:
Operating System:  MacOS X        |     Architecture:  x86_64 (amd64)
 Type of failure:  Runtime crash  |       Difficulty:  Unknown
       Test Case:                 |       Blocked By:
        Blocking:                 |  Related Tickets:
----------------------------------+----------------------------------

Comment (by carter):

 which build of GHC did you use? Austin's official RC2 build?
 whats the output of your `ghc --info`

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8866#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler