[GHC] #9001: unexpected runtime crash

[GHC]

#9001: unexpected runtime crash
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        Reporter:  jwlato            |            Owner:  simonmar
            Type:  bug               |           Status:  new
        Priority:  highest           |        Milestone:  7.8.3
       Component:  Runtime System    |          Version:  7.8.2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Runtime crash     |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Description changed by simonpj:

Old description:

> Apologies for the poor summary, I'm not sure how to be more descriptive.
> I don't see anything dodgy here.
>
> Compiling the attached program `ghc -O -dcore-lint Test.hs` and running
> it results in a runtime crash.  Various incarnations of this code have
> resulted in
>
>     Test: internal error: scavenge_one: strange object 0
>
>     Test: internal error: stg_ap_p_ret
>
> and core dumps with no further information.
>
> I've been able to reproduce this with ghc-7.8.2 and ghc-7.6.3.

New description:

 Apologies for the poor summary, I'm not sure how to be more descriptive.
 I don't see anything dodgy here.

 Compiling the attached program `ghc -O -dcore-lint Test.hs` and running it
 results in a runtime crash.  Various incarnations of this code have
 resulted in
 {{{
     Test: internal error: scavenge_one: strange object 0
     Test: internal error: stg_ap_p_ret
 }}}
 and core dumps with no further information.

 I've been able to reproduce this with ghc-7.8.2 and ghc-7.6.3.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9001#comment:7>
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