[GHC] #12850: Panic with unboxed integers and ghci

[GHC]

#12850: Panic with unboxed integers and ghci
-------------------------------------+-------------------------------------
        Reporter:  monoidal          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHCi crash        |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Ryan Scott <ryan.gl.scott@…>):

 In [changeset:"2316ee1c42d7f4dc229295a5b5426dde40944dc1/ghc"
 2316ee1c/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="2316ee1c42d7f4dc229295a5b5426dde40944dc1"
 Add regression test for #12850

 Commit e7985ed23ddc68b6a2e4af753578dc1d9e8ab4c9 happened to fix #12850, so
 let's add a regression test for the program reported in #12850.
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12850#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler