[GHC] #8072: Optimizations change result of div for Word

[GHC]

#8072: Optimizations change result of div for Word
-------------------------------------+---------------------------
        Reporter:  Khudyakov         |            Owner:
            Type:  bug               |           Status:  closed
        Priority:  high              |        Milestone:  7.8.1
       Component:  Compiler          |          Version:  7.6.3
      Resolution:  fixed             |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  x86
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:  3676
-------------------------------------+---------------------------
Changes (by igloo):

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


Comment:

 Thanks for the report, and to int-e for finding the problem. Fixed by:

 commit af77ef45d576fddb25acf28beb434ef431f430a0
 {{{
 Author: Ian Lynagh <ian at well-typed.com>
 Date:   Sun Jul 21 19:09:45 2013 +0100

     Fix GHC.Enum on 32bit platforms; fixes #8072

     Diagnosed by int-e.

     MachDeps.h wasn't being included in Enum.lhs, and the old
     WORD_SIZE_IN_BITS test didn't fail when WORD_SIZE_IN_BITS isn't
     defined. Now we get an error instead.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8072#comment:7>
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