[GHC] #10292: Validate fails on armhf-linux

[GHC]

#10292: Validate fails on armhf-linux
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        Reporter:  erikd                |                   Owner:
            Type:  bug                  |                  Status:  new
        Priority:  normal               |               Milestone:  7.10.2
       Component:  Compiler             |                 Version:  7.10.1
      Resolution:                       |                Keywords:
Operating System:  Unknown/Multiple     |            Architecture:  arm
 Type of failure:  Building GHC failed  |               Test Case:
      Blocked By:                       |                Blocking:
 Related Tickets:                       |  Differential Revisions:
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Comment (by erikd):

 Its seems to that @bgamari is is using llvm-3.5.1 where I have been using
 the llvm-3.5 package from Debian (which seems to be llvm-3.5.0 with about
 30 patches applied). Since ticket #9920 actually has the `arm-lower-tail-
 calls.patch` patch as an attachment, that patch could probably be added
 the Debian's llvm package, but that doesn't solve the problem on non-
 Debian systems.

 What we need now is a way to detect this llvm bug at configure time. I'm
 working on that.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10292#comment:6>
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