[GHC] #10239: Fragile CPP test for big endian in T7600

[GHC]

#10239: Fragile CPP test for big endian in T7600
-------------------------------------+-------------------------------------
        Reporter:  trommler          |                   Owner:  trommler
            Type:  bug               |                  Status:  patch
        Priority:  normal            |               Milestone:
       Component:  Test Suite        |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Other             |  Unknown/Multiple
      Blocked By:                    |               Test Case:  T7600
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:  Phab:D795
-------------------------------------+-------------------------------------

Comment (by Austin Seipp <austin@…>):

 In [changeset:"4f8e34822f18cf3d31414676f900b3714367d38e/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="4f8e34822f18cf3d31414676f900b3714367d38e"
 Replace endian test by 64-bit word access in T7600

 In commit 3f30912f an include `ghcconfig.h` was added for
 `WORDS_BIGENDIAN`.

 Converting the floating point array to a `Word64` array avoids
 using the preprocessor altogether and leads to smaller code.

 Fixes #10239

 Reviewed By: rwbarton, austin

 Differential Revision: https://phabricator.haskell.org/D795

 GHC Trac Issues: #10239
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10239#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler