[haskell-platform] #71: GHC panic on cabal install of darcs w/ Platform

haskell-platform haskell-platform at projects.haskell.org
Tue Jun 16 11:13:57 EDT 2009

#71: GHC panic on cabal install of darcs w/ Platform
 Reporter:  anonymous         |       Owner:             
     Type:  defect            |      Status:  new        
 Priority:  major             |   Milestone:             
Component:  (none-specified)  |    Keywords:  OS X, darcs
 When I install GHC and the Platform from the beta .dmg, and try to do
 'cabal install darcs', I get a GHC panic:
 ghc: panic! (the 'impossible' happened)
   (GHC version 6.10.3 for i386-apple-darwin):
     base:GHC.Arr.Array{d ras}
     [ww{v aKhO} [lid], ww1{v aKhP} [lid], ww2{v aKhQ} [lid]]
     [!, !, _, _]

 This only happens when I use the platform, and also happens when I try to
 install the tarball from the darcs website.
 If I install only GHC (either from the Platform .dmg or the GHC website)
 and zlib, HTTP and cabal-install manually, then install darcs with cabal
 install, there is no problem.

Ticket URL: <http://trac.haskell.org/haskell-platform/ticket/71>
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