[GHC] #10791: Add a --disable-large-memory-space configure option

[GHC]

#10791: Add a --disable-large-memory-space configure option
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        Reporter:  erikd             |                   Owner:  erikd
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Build System      |                 Version:  7.11
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by erikd):

 The truth table for enabling USE_LARGE_ADDRESS_SPACE should be:

 {{{
    sizeof(void*)             command line
 USE_LARGE_ADDRESS_SPACE
         4                         -                        undefined
         4           --enable-large-address-space           undefined
         4           --disable-large-address-space          undefined
         8                         -                           1
         8           --enable-large-address-space              1
         8           --disable-large-address-space          undefined
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10791#comment:1>
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