[GHC] #15399: Build failure on PowerPC 64-bit big endian

[GHC]

#15399: Build failure on PowerPC 64-bit big endian
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        Reporter:  trommler             |                Owner:  (none)
            Type:  bug                  |               Status:  new
        Priority:  normal               |            Milestone:
       Component:  Compiler             |              Version:  8.5
      Resolution:                       |             Keywords:
Operating System:  Linux                |         Architecture:  powerpc64
 Type of failure:  Building GHC failed  |            Test Case:
      Blocked By:                       |             Blocking:
 Related Tickets:                       |  Differential Rev(s):
       Wiki Page:                       |
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Comment (by trommler):

 The breaking commit is changeset:ec22f7dd. I have found an endianness
 issue with this commit in `compiler/ghci/RtClosureInspect.hs`.

 I am just validating a patch on ppc64.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15399#comment:2>
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