Merge branch 'master' of http://darcs.haskell.org/ghc

compiler/cmm/CmmOpt.hs

compiler/cmm/OldPprCmm.hs

compiler/cmm/PprCmmDecl.hs

compiler/cmm/PprCmmExpr.hs

compiler/codeGen/CgParallel.hs

compiler/codeGen/ClosureInfo.lhs

compiler/codeGen/StgCmmClosure.hs

compiler/codeGen/StgCmmGran.hs

compiler/llvmGen/LlvmCodeGen.hs

compiler/llvmGen/LlvmCodeGen/CodeGen.hs

compiler/main/DynFlags.hs

compiler/main/StaticFlagParser.hs

compiler/main/StaticFlags.hs

compiler/nativeGen/AsmCodeGen.lhs

compiler/nativeGen/PPC/CodeGen.hs

docs/users_guide/flags.xml

docs/users_guide/ghci.xml

includes/Cmm.h