[GHC] #8748: ghc-7.8-rc1/HEAD: --enable-unregisterised fails to build and run with threaded RTS, profiling mode

[GHC]

#8748: ghc-7.8-rc1/HEAD: --enable-unregisterised fails to build and run with
threaded RTS, profiling mode
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        Reporter:  slyfox            |            Owner:
            Type:  bug               |           Status:  patch
        Priority:  high              |        Milestone:  7.8.1
       Component:  Compiler          |          Version:  7.6.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by slyfox):

 Last patch adds missing declarations for hs_popcnt64.
 It fixes only a warning, but very scary one,
 as implicit declaration would mean
 {{{
     int hs_popcnt64 (int);
 }}}

 Thanks!

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8748#comment:5>
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