[GHC] #10099: cabal install broken with ghc 7.10.1-rc2

[GHC]

#10099: cabal install broken with ghc 7.10.1-rc2
-------------------------------------+-------------------------------------
        Reporter:  trommler          |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  highest           |               Milestone:  7.10.1
       Component:  Package system    |                 Version:  7.10.1-rc2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Runtime crash     |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by George):

 I don't have this problem and have had none with cabal install

  cabal install primitive
 Resolving dependencies...
 All the requested packages are already installed:
 primitive-0.5.4.0
 Use --reinstall if you want to reinstall anyway.

 ghc --info
  [("Project name","The Glorious Glasgow Haskell Compilation System")
  ,("GCC extra via C opts"," -fwrapv")
  ,("C compiler command","/usr/bin/gcc")
  ,("C compiler flags"," -m64 -fno-stack-protector")
  ,("C compiler link flags"," -m64")
  ,("Haskell CPP command","/usr/bin/gcc")
  ,("Haskell CPP flags","-E -undef -traditional -Wno-invalid-pp-token -Wno-
 unicode -Wno-trigraphs ")
  ,("ld command","/usr/bin/ld")
  ,("ld flags"," -arch x86_64")
  ,("ld supports compact unwind","YES")
  ,("ld supports build-id","NO")
  ,("ld supports filelist","YES")
  ,("ld is GNU ld","NO")
  ,("ar command","/usr/bin/ar")
  ,("ar flags","clqs")
  ,("ar supports at file","NO")
  ,("touch command","touch")
  ,("dllwrap command","/bin/false")
  ,("windres command","/bin/false")
  ,("libtool command","libtool")
  ,("perl command","/usr/bin/perl")
  ,("target os","OSDarwin")
  ,("target arch","ArchX86_64")
  ,("target word size","8")
  ,("target has GNU nonexec stack","False")
  ,("target has .ident directive","True")
  ,("target has subsections via symbols","True")
  ,("Unregisterised","NO")
  ,("LLVM llc command","llc")
  ,("LLVM opt command","opt")
  ,("Project version","7.10.0.20150123")
  ,("Project Git commit id","174082ffeb69b2f9df19e7af7b63a331dd074145")
  ,("Booter version","7.6.3")
  ,("Stage","2")
  ,("Build platform","x86_64-apple-darwin")
  ,("Host platform","x86_64-apple-darwin")
  ,("Target platform","x86_64-apple-darwin")
  ,("Have interpreter","YES")
  ,("Object splitting supported","YES")
  ,("Have native code generator","YES")
  ,("Support SMP","YES")
  ,("Tables next to code","YES")
  ,("RTS ways","l debug thr thr_debug thr_l thr_p dyn debug_dyn thr_dyn
 thr_debug_dyn l_dyn thr_l_dyn")
  ,("Support dynamic-too","YES")
  ,("Support parallel --make","YES")
  ,("Support reexported-modules","YES")
  ,("Support thinning and renaming package flags","YES")
  ,("Uses package keys","YES")
  ,("Dynamic by default","NO")
  ,("GHC Dynamic","YES")
  ,("Leading underscore","YES")
  ,("Debug on","False")
  ,("LibDir","/usr/local/lib/ghc-7.10.0.20150123")
  ,("Global Package
 DB","/usr/local/lib/ghc-7.10.0.20150123/package.conf.d")
  ]

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10099#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler