patch applied (ghc-fc2): newtype fixes, coercions for non-recursive newtypes now optional

[chak at cse.unsw.edu.au]

Sat Aug  5 18:19:58 PDT 2006  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
  * newtype fixes, coercions for non-recursive newtypes now optional
  Fri Jul  7 06:11:48 EDT 2006  kevind at bu.edu

    M ./compiler/basicTypes/MkId.lhs -23 +11
    M ./compiler/coreSyn/CoreLint.lhs -1 +9
    M ./compiler/coreSyn/CoreSyn.lhs -2 +6
    M ./compiler/coreSyn/MkExternalCore.lhs -1
    M ./compiler/hsSyn/HsBinds.lhs -1 +1
    M ./compiler/iface/BuildTyCl.lhs -8 +10
    M ./compiler/main/HscTypes.lhs -2 +3
    M ./compiler/prelude/TysPrim.lhs -7 +3
    M ./compiler/simplCore/SimplUtils.lhs -2 +3
    M ./compiler/simplCore/Simplify.lhs -2 +2
    M ./compiler/stranal/DmdAnal.lhs -3 +4
    M ./compiler/stranal/WwLib.lhs -1
    M ./compiler/typecheck/Inst.lhs -1 +2
    M ./compiler/typecheck/TcDeriv.lhs -2 +3
    M ./compiler/typecheck/TcEnv.lhs -2 +4
    M ./compiler/typecheck/TcInstDcls.lhs +38
    M ./compiler/typecheck/TcTyClsDecls.lhs -3 +6
    M ./compiler/typecheck/TcType.lhs -2 +1
    M ./compiler/types/TyCon.lhs -16 +9
    M ./compiler/types/Type.lhs -15 +1