[GHC] #10965: GHC Panic on import with 'OPTIONS_GHC -fobject-code -O'

[GHC]

#10965: GHC Panic on import with 'OPTIONS_GHC -fobject-code -O'
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        Reporter:  Orome         |                Owner:
            Type:  bug           |               Status:  new
        Priority:  normal        |            Milestone:
       Component:  Compiler      |              Version:  8.0.1-rc2
      Resolution:                |             Keywords:
Operating System:  MacOS X       |         Architecture:  x86_64 (amd64)
 Type of failure:  None/Unknown  |            Test Case:
      Blocked By:                |             Blocking:
 Related Tickets:  #10549        |  Differential Rev(s):
       Wiki Page:                |
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Changes (by slyfox):

 * status:  closed => new
 * version:  7.10.2 => 8.0.1-rc2
 * resolution:  duplicate =>


Comment:

 Seems to be distinct from #10549. Still happens in today's -HEAD:

 {{{
 $ inplace/bin/ghc-stage2 --interactive /tmp/z/G.hs

 GHCi, version 8.1.20160207: http://www.haskell.org/ghc/  :? for help
 Loaded GHCi configuration from /home/slyfox/.ghci
 [1 of 1] Compiling Main             ( /tmp/z/G.hs, interpreted )
 ghc-stage2: panic! (the 'impossible' happened)
   (GHC version 8.1.20160207 for x86_64-unknown-linux):
         floatExpr tick break<0>()

 Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10965#comment:2>
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