[GHC] #3678: Build fails when adding -fexpose-all-unfoldings to GhcStage2HcOpts

[GHC]

#3678: Build fails when adding -fexpose-all-unfoldings to GhcStage2HcOpts
----------------------------------+-----------------------------------------
  Reporter:  pejo                 |          Owner:                  
      Type:  bug                  |         Status:  new             
  Priority:  high                 |      Milestone:  6.14.1          
 Component:  Build System         |        Version:  6.13            
Resolution:                       |       Keywords:                  
Difficulty:                       |             Os:  Unknown/Multiple
  Testcase:                       |   Architecture:  Unknown/Multiple
   Failure:  Building GHC failed  |  
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Changes (by igloo):

  * priority:  normal => high
  * milestone:  => 6.14.1

Comment:

 Yes; the problem is that when configuring the package, we use `dummy-ghc`,
 which is more-or-less the bootstrapping compiler. I think we should rejig
 the build system so that `dummy-ghc` isn't used.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3678#comment:3>
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