id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
962	hptRules crash	guest		"I got this blowup from ghc-6.6 (ghc-6.6-2 from Debian unstable on i386). 
{{{
ghc-6.6: panic! (the 'impossible' happened)
  (GHC version 6.6 for i386-unknown-linux):
        hptRules
    Authorization [(Authorization, False), (BinParse, False),
                   (BinaryIO, False), (BuildVersion, False), (CFreeVars, False),                   (CParser, False), (CSyntax, False), (CType, False),
                   (CVParser, False), (CVParserAssertion, False),
                   (CVParserCommon, False), (CVParserImperative, False),
                   (CVParserUtil, False), (CVPrint, False), (Classic, False),
                   (Error, False), (ErrorUtil, False), (Eval, False),
                   (FStringCompat, False), (FileIOUtil, False), (FileNameUtil, False),
                   (Fixity, False), (Flags, False), (Flexlm, False),
                   (GHCPretty, False), (Hash, False), (IOMutVar, False),
                   (IOUtil, False), (Id, False), (IdPrint, False), (IntLit, False),
                   (IntMap, False), (IntegerMisc, False), (IntegerUtil, False),
                   (Lex, False), (ListSet, False), (ListUtil, False),
                   (Literal, False), (Log2, False), (NumType, False), (OrdMap, False),
                   (OrdSet, False), (PFPrint, False), (PPrint, False),
                   (PVPrint, False), (Parse, False), (Parsec, False),
                   (ParsecChar, False), (ParsecCombinator, False),
                   (ParsecExpr, False), (ParsecPrim, False), (Position, False),
                   (Pragma, False), (PreIds, False), (PreStrings, False),
                   (Pretty, False), (SEMonad, False), (SchedInfo, False),
                   (Sort, False), (SpeedyString, False),
                   (SystemVerilogKeywords, False), (SystemVerilogPreprocess, False),
                   (SystemVerilogScanner, False), (SystemVerilogTokens, False),
                   (Trace, False), (Type, False), (Util, False), (VModInfo, False),
                   (Version, False)]

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
}}}"	bug	closed	normal	6.6.1	Compiler	6.6	invalid		ravi@…	Unknown/Multiple	Unknown/Multiple		Unknown