[commit: ghc] overlapping-tyfams's head updated: Merge branch 'master' into overlapping-tyfams (81a2dd3)

Repository : ssh://darcs.haskell.org//srv/darcs/ghc

Branch 'overlapping-tyfams' now includes:

     2334112... Fix broken -fPIC on Darwin/PPC (#7442)
     77ef6ca... Replace all uses of ghcError with throwGhcException and purge ghcError.
     10edb42... Whitespace only in compiler/ghci/LibFFI.hsc
     c2f9b74... Small refactoring
     bd9e029... Remove a use of printf
     3005e90... Add configure option to use system provided libffi; fixes #5743
     2ec32a8... Add ":info!" to GHCi.  This shows all instances without filtering first.
     c793cc3... libffi build system tweaks
     e9f38cb... Remove accidentally-commited testing aid
     495ef78... Merge branch 'master' of ssh://darcs.haskell.org/srv/darcs/ghc
     779f10f... Extend parser to allow specification of RULES that never fire. #7162
     2c6939a... Make ghc-pkg print less on error.
     0bb2274... Remove unused PYTHON in build system
     7ee5bed... Link in-tree libffi to rts. Fixes trac #5743.
     7009f58... Merge branch 'master' of darcs.haskell.org:/srv/darcs//ghc
     e305fc7... Detab
     d53e222... typo
     2332b4b... Remove case from coreLintExpr dealing with types, as it is not used.
     d2ff25f... Update dependencies
     4ef1bd4... Update submodules
     cfb9696... Merge branch 'master' of darcs.haskell.org:/srv/darcs//ghc
     81b7e58... Added GHC formalism to the GHC source tree.
     959d5a9... Added the docs/core-spec README
     fe1fce8... Merge branch 'master' of ssh://darcs.haskell.org/srv/darcs/ghc
     b5ce9de... Remove dead code predTreePredType
     61f770f... isTauTy should be True for LitTy (see Trac #7459)
     1a3c0d3... Used a GADT to control appropriate use of functions on singleton axioms.
     0cb35b5... Mac OS X 10.6 needed for pthread_threadid_np(), fixes #7356
     45e70a1... Merge branch 'ticket-7442' of git://github.com/phonohawk/ghc
     d6d1559... Tweak comments
     56240c1... Update haskeline submodule
     691c8a8... Don't get submodules when 'get'ing
     8fd3f3c... Use a submodule for the time package
     ccce9fe... When pulling, only 'fetch' in submodules
     4b4f014... Add a check for old time packaes
     c3db2b2... Tweak sync-all
     31d771b... Use -e rather than -f when checking for libraries/time/.git
     3a40456... Make "sync-all pull --rebase" work
     67835fa... Removed confluent overlap check from branched type family instances.
     156d30d... Fix buglet in -ddump-minimal-imports (Trac #7476)
     9467f73... Merge branch 'master' of http://darcs.haskell.org/ghc
     e6ce335... Fix pprPanic so that it doesn't throw away the SDoc part of the error.
     88eeabc... Merge branch 'master' of http://darcs.haskell.org/ghc
     4df0d19... Updated Template Haskell to reflect branched type family instances.
     70c4e4b... Rearrange configure.ac a bit
     3c06c09... Rearrange configure.ac a bit
     86e4ca3... Updated user manual to include a section on branched type family instances.
     4f08c12... Merge branch 'master' into overlapping-tyfams
     50905e1... Revert "Fix pprPanic so that it doesn't throw away the SDoc part of the error."
     c0d8469... Allow existential data constructors to be promoted
     431e804... Merge branch 'master' of http://darcs.haskell.org/ghc
     bb2f56a... Add comment
     f971e75... Merge branch 'master' of darcs.haskell.org:/home/darcs/ghc
     95d8658... In FP_GCC_VERSION, test $CC not $GCC
     3fc453a... Don't define DYNAMIC when compiling the dyn way
     57d6798... When using a GHC plugin, load its interface file very partially: just enough that it can be used, without its rules and instances affecting (and being linked from!) the module being compiled.
     b0626b6... Document promotion of existential data types
     467d575... Made a new file types/CoAxiom.lhs to declare CoAxioms, and updated docs/core-spec to reflect new axioms.
     52f2ba1... Merge branch 'master' into overlapping-tyfams
     5b746f5... Merge branch 'master' of darcs.haskell.org:/srv/darcs//ghc
     3864da2... Typo
     71b5ca5... Refactor findAndReadIface; no functional changes
     ccdccee... Whitespace only in iface/IfaceType.lhs
     b25d709... Add the beginnings of support for building vanilla and dynamic at the same time
     d842dff... Use a MonadIO instance instead of an 'io' function
     9a20e54... Stop attempting to "trim" data types in interface files
     8a0534f... Merge branch 'master' of darcs.haskell.org:/srv/darcs//ghc
     6bdac1c... Make nativeCodeGen return the rest of its UniqSupply
     9b2882c... Merge branch 'master' of mac:ghc/git/val64/.
     e5ded8b... Miscellaneous bug fixes that came up during validation.
     77e5aa7... Change output of CoAxioms to look prettier.
     81a2dd3... Merge branch 'master' into overlapping-tyfams