patch applied (cabal): Add some diagnostic info to some internal errors

Sat May 15 12:38:10 PDT 2010 Ian Lynagh * Add some diagnostic info to some internal errors When giving an "internal error: unexpected package db stack" error, say what the stack is. M ./Distribution/Simple/GHC.hs -1 +1 M ./Distribution/Simple/LHC.hs -1 +1 M ./Distribution/Simple/Program/HcPkg.hs -1 +1 View patch online: http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal;a=darcs_commitdiff;h=2...