[GHC] #11578: Fix GHC on AArch64/Arm64

[GHC]

#11578: Fix GHC on AArch64/Arm64
-------------------------------------+-------------------------------
        Reporter:  erikd             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:  aarch64
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by erikd):

 Building HEAD with Debian's ghc-7.10.3 and llvm-3.5.2 results in:

 {{{
 0  libLLVM-3.5.so.1 0x0000007fb6de1458
 llvm::sys::PrintStackTrace(_IO_FILE*) + 48
 Stack dump:
 0.  Program arguments: llc-3.5 -O1 -relocation-model=static
     /tmp/ghcb9c5_0/ghc_244.bc -o /tmp/ghcb9c5_0/ghc_245.lm_s --enable-
 tbaa=true
 1.  Running pass 'Function Pass Manager' on module
 '/tmp/ghcb9c5_0/ghc_244.bc'.
 2.  Running pass 'Greedy Register Allocator' on function
 '@"c5K0b_entry$def"'
 utils/ghc-cabal/ghc.mk:34: recipe for target
 'utils/ghc-cabal/dist/build/tmp/ghc-cabal' failed
 make[1]: *** [utils/ghc-cabal/dist/build/tmp/ghc-cabal] Segmentation fault
 (core
 dumped)
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11578#comment:2>
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