[GHC] #9035: ghci sometimes displays Word32 as Word64

GHC ghc-devs at haskell.org
Sat May 17 20:50:30 UTC 2014


#9035: ghci sometimes displays Word32 as Word64
------------------------------------------------+--------------------------
        Reporter:  MikeIzbicki                  |            Owner:
            Type:  bug                          |           Status:  closed
        Priority:  normal                       |        Milestone:
       Component:  GHCi                         |          Version:  7.8.2
      Resolution:  invalid                      |         Keywords:
Operating System:  Linux                        |     Architecture:  x86_64
 Type of failure:  Incorrect result at runtime  |  (amd64)
       Test Case:                               |       Difficulty:
        Blocking:                               |  Unknown
                                                |       Blocked By:
                                                |  Related Tickets:
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Changes (by igloo):

 * status:  new => closed
 * resolution:   => invalid


Comment:

 This use of `unsafeCoerce` is not safe: See
 [http://www.haskell.org/ghc/docs/latest/html/libraries/base-4.7.0.0
 /Unsafe-Coerce.html this] which links to
 [http://www.haskell.org/ghc/docs/latest/html/libraries/ghc-prim-0.3.1.0
 /GHC-Prim.html#v:unsafeCoerce-35- here] for more details.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9035#comment:2>
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