build failures on Linux

[Kazu Yamamoto ( 山本和彦 )]

Hi,

I cannot build GHC head today on Linux. It seems to me that
this bug is relating to the followings:

	https://github.com/sol/doctest-haskell/issues/59
	https://github.com/sol/doctest-haskell/pull/60

Why did the initial value of v_opt_C_ready in GHCI change?

--Kazu

Haddock coverage:
 100% (  1 /  1) in 'GHC.IntWord64'
  78% (  7 /  9) in 'GHC.Types'
   3% (  2 / 63) in 'GHC.Tuple'
   0% (  0 /  3) in 'GHC.Debug'
   0% (  0 /351) in 'GHC.PrimopWrappers'
   2% (  1 / 43) in 'GHC.PrimWrappers'
  17% (  1 /  6) in 'GHC.CString'
  31% (170 /540) in 'GHC.Prim'
 100% (  3 /  3) in 'GHC.Magic'
  38% (  6 / 16) in 'GHC.Classes'
haddock: internal error: haddock: panic! (the 'impossible' happened)
  (GHC version 7.7.20130912 for x86_64-unknown-linux):
	Static flags have not been initialised!
        Please call GHC.newSession or GHC.parseStaticFlags early enough.

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

make[1]: *** [libraries/ghc-prim/dist-install/doc/html/ghc-prim/ghc-prim.haddock] Error 1