[GHC] #11202: T10667 and debug tests are broken on OS X

[GHC]

#11202: T10667 and debug tests are broken on OS X
-------------------------------------+-------------------------------------
        Reporter:  bgamari           |                Owner:  bgamari
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.10.2
      Resolution:                    |             Keywords:
Operating System:  MacOS X           |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash                              |            Test Case:  debug, T10667
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1602
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"3640ae92fc1ffa283425203bba3dbf231fcb3e52/ghc"
 3640ae92/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="3640ae92fc1ffa283425203bba3dbf231fcb3e52"
 Dwarf: Use .short instead of .hword on Darwin

 Apparently gnu as uses `.short` as a synonym for `.word`. To emit a
 16-bit value one would use `.hword`. However, Darwin doesn't support
 `.hword`, instead taking `.short` to mean a 16-bit value. The
 insanity is nearly unbearable!

 OS X reference:
 https://developer.apple.com/library/mac/documentation/DeveloperTools/Ref
 erence/Assembler/040-Assembler_Directives/asm_directives.html#//apple_re
 f/doc/uid/TP30000823-TPXREF101

 gnu as reference:
 https://sourceware.org/binutils/docs/as/hword.html#hword

 Test Plan: Validate

 Reviewers: austin

 Reviewed By: austin

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D1602

 GHC Trac Issues: #11202
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11202#comment:4>
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