[GHC] #14926: failed to build cross-compiler

[GHC]

#14926: failed to build cross-compiler
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        Reporter:  rueshyna          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.4.1
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:
 Type of failure:  Building GHC      |  Unknown/Multiple
  failed                             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by angerman):

 I've not see this error before. It seems strange that we invoke ghc
 without and source files.

 Does that same happen when `configuring` without `--enable-unregistered`?
 The only difference to what I build is that I built for 64bit windows.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14926#comment:2>
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