[GHC] #15338: ghc-pkg misbehaves after possible miscompilation on m68k and sh4

[GHC]

#15338: ghc-pkg misbehaves after possible miscompilation on m68k and sh4
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        Reporter:  glaubitz          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:  m68k
 Type of failure:  Incorrect result  |            Test Case:
  at runtime                         |
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by slyfox):

 I think I can reproduce it in qemu-sh4 on ghc-HEAD. Will look at it.

 {{{
 $ file utils/ghc-pkg/dist-install/build/tmp/ghc-pkg
 utils/ghc-pkg/dist-install/build/tmp/ghc-pkg: ELF 32-bit LSB executable,
 Renesas SH, version 1 (SYSV), dynamically linked, interpreter /lib/ld-
 linux.so.2, for GNU/Linux 3.2.0, not stripped

 $ LD_LIBRARY_PATH="$(pwd)/rts/dist/build:"$(for d in $(find -name '*.so' |
 fgrep dist-install); do dirname "$(pwd)/$d"; done | tr '$\n' ':') utils
 /ghc-pkg/dist-install/build/tmp/ghc-pkg --version
 GHC package manager version 8.7.20180704

 $ LD_LIBRARY_PATH="$(pwd)/rts/dist/build:"$(for d in $(find -name '*.so' |
 fgrep dist-install); do dirname "$(pwd)/$d"; done | tr '$\n' ':') utils
 /ghc-pkg/dist-install/build/tmp/ghc-pkg --version | cat
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15338#comment:2>
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