[GHC] #10090: Building ghc with "make -jN" gives different base ABI hashes for N<=8 and N>8

[GHC]

#10090: Building ghc with "make -jN" gives different base ABI hashes for N<=8 and
N>8
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        Reporter:  juhpetersen       |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:
       Component:  Build System      |                 Version:  7.8.4
      Resolution:  worksforme        |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:  #4012             |                Blocking:
                                     |  Differential Revisions:
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Comment (by juhpetersen):

 Okay thanks.

 Just for the record s390 seems to be ABI unstable on -j4.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10090#comment:7>
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