Re: [GHC] #8383: "tagToEnum# (0# ==# 1#) :: Bool" causes CASEFAIL in ghci

4 Oct 2013

      #8383: "tagToEnum# (0# ==# 1#) :: Bool" causes CASEFAIL in ghci
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        Reporter:  rwbarton      |            Owner:
            Type:  bug           |           Status:  new
        Priority:  highest       |        Milestone:  7.8.1
       Component:  GHCi          |          Version:  7.7
      Resolution:                |         Keywords:
Operating System:  Linux         |     Architecture:  x86_64 (amd64)
 Type of failure:  None/Unknown  |       Difficulty:  Unknown
       Test Case:                |       Blocked By:
        Blocking:                |  Related Tickets:
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Comment (by Simon Peyton Jones ):

 In [changeset:a9649c48681054d86b6a1e33118aa12903a4fbfd/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="a9649c48681054d86b6a1e33118aa12903a4fbfd"
 Fix the bytecode genreation for tagToEnum# (Trac #8383)

 Reid Barton's diagnosis was right on the mark, though the fix
 wasn't quite right.  See Note [Implementing tagToEnum#].

 As usual I did some refactoring.
 }}}

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Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8383#comment:4
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