[GHC] #9964: GHC crash with NOINLINE and weird IO stuff

[GHC]

#9964: GHC crash with NOINLINE and weird IO stuff
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        Reporter:  dfeuer            |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:  7.10.2
       Component:  Compiler          |                 Version:  7.11
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash                              |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"9c78d09e344e97d2d5c37b9bb46e311a3cf031e2/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="9c78d09e344e97d2d5c37b9bb46e311a3cf031e2"
 Add a bizarre corner-case to cgExpr (Trac #9964)

 David Feuer managed to tickle a corner case in the
 code generator. See Note [Scrutinising VoidRep]
 in StgCmmExpr.

 I rejigged the comments in that area of the code generator
   Note [Dodgy unsafeCoerce 1]
   Note [Dodgy unsafeCoerce 2]
 but I can't say I fully understand them, alas.
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9964#comment:5>
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