[GHC] #8661: Segfault on System.Time during validate

[GHC]

#8661: Segfault on System.Time during validate
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        Reporter:  Fuuzetsu          |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.7
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  x86
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by Herbert Valerio Riedel <hvr@…>):

 In [changeset:"a3878d172b358b896b3c8302e58199958479d8e5/integer-gmp"]:
 {{{
 #!CommitTicketReference repository="integer-gmp"
 revision="a3878d172b358b896b3c8302e58199958479d8e5"
 Temporary disable `mpz_gmpz_tdiv_qr_ui` to workaround #8661

 I still need to investigated, but for some reason not yet obvious to me,
 commit [af2ba9c8/integer-gmp] (re #8647) seems to have triggered #8661
 on linux/32

 This commit disables the use of the `quotRemIntegerWord#` primop on
 32bit (which seems to trigger the issue).

 Signed-off-by: Herbert Valerio Riedel <hvr at gnu.org>
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8661#comment:3>
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