[GHC] #11981: unknown symbol `__udivti3' when BuildFlavour = perf-llvm

[GHC]

#11981: unknown symbol `__udivti3' when BuildFlavour = perf-llvm
-------------------------------------+-------------------------------------
           Reporter:  erikd          |             Owner:
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.0.2
          Component:  Compiler       |           Version:  8.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  Other
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 Building git HEAD with `BuildFlavour = perf-llvm` and then running the
 tests results in 500+ tests failing, all with the same error:

 {{{
 ghc-stage2: /xxx/libraries/ghc-prim/dist-install/build/HSghc-
 prim-0.5.0.0.o:
 unknown symbol `__udivti3'
 ghc-stage2: unable to load package `ghc-prim-0.5.0.0'
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11981>
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