[GHC] #11750: 32 bit CPUs: Couldn't match expected type ‘Word#’ with actual type ‘Word64#’

24 Mar 2016

      #11750: 32 bit CPUs: Couldn't match expected type ‘Word#’ with actual type
‘Word64#’
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           Reporter:  erikd          |             Owner:  erikd
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  Building GHC
  Unknown/Multiple                   |  failed
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Getting this on PowerPC and Arm:

 {{{
 libraries/base/GHC/Word.hs:605:39: error:
     • Couldn't match expected type ‘Word#’ with actual type ‘Word64#’
     • In the first argument of ‘eqWord#’, namely ‘x’
       In the first argument of ‘isTrue#’, namely ‘(x `eqWord#` y)’
       In the expression: isTrue# (x `eqWord#` y)

 libraries/base/GHC/Word.hs:605:51: error:
     • Couldn't match expected type ‘Word#’ with actual type ‘Word64#’
     • In the second argument of ‘eqWord#’, namely ‘y’
       In the first argument of ‘isTrue#’, namely ‘(x `eqWord#` y)’
       In the expression: isTrue# (x `eqWord#` y)

 libraries/base/GHC/Word.hs:606:39: error:
     • Couldn't match expected type ‘Word#’ with actual type ‘Word64#’
     • In the first argument of ‘neWord#’, namely ‘x’
       In the first argument of ‘isTrue#’, namely ‘(x `neWord#` y)’
       In the expression: isTrue# (x `neWord#` y)

 libraries/base/GHC/Word.hs:606:51: error:
     • Couldn't match expected type ‘Word#’ with actual type ‘Word64#’
     • In the second argument of ‘neWord#’, namely ‘y’
       In the first argument of ‘isTrue#’, namely ‘(x `neWord#` y)’
       In the expression: isTrue# (x `neWord#` y)
 }}}

 Same happens for `Int64` in `GHC/Int.hs`.

 Patch on the way.

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Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11750
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