patch applied (ghc): Add bang patterns

[Simon Peyton Jones]

Fri Feb  3 09:51:08 PST 2006  simonpj at microsoft.com
  * Add bang patterns
  
  This commit adds bang-patterns, 
  	enabled by -fglasgow-exts or -fbang-patterns
  	diabled by -fno-bang-patterns
  
  The idea is described here
  	http://haskell.galois.com/cgi-bin/haskell-prime/trac.cgi/wiki/BangPatterns
  

    M ./ghc/compiler/deSugar/Check.lhs -1 +3
    M ./ghc/compiler/deSugar/DsExpr.lhs -34 +25
    M ./ghc/compiler/deSugar/DsMonad.lhs -1 +1
    M ./ghc/compiler/deSugar/DsUtils.lhs -1 +6
    M ./ghc/compiler/deSugar/Match.lhs +2
    M ./ghc/compiler/hsSyn/HsBinds.lhs -6 +7
    M ./ghc/compiler/hsSyn/HsPat.lhs -11 +17
    M ./ghc/compiler/hsSyn/HsUtils.lhs -2 +4
    M ./ghc/compiler/main/DynFlags.hs -1 +4
    M ./ghc/compiler/parser/Lexer.x -1 +6
    M ./ghc/compiler/parser/Parser.y.pp -11 +22
    M ./ghc/compiler/parser/RdrHsSyn.lhs -41 +78
    M ./ghc/compiler/rename/RnExpr.lhs -11 +6
    M ./ghc/compiler/rename/RnTypes.lhs +8
    M ./ghc/compiler/typecheck/TcBinds.lhs -26 +37
    M ./ghc/compiler/typecheck/TcHsSyn.lhs +5
    M ./ghc/compiler/typecheck/TcPat.lhs +4