id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
5192	the 'impossible' happened: hsValBindsImplicits: ValBindsIn	CoreyOConnor	simonpj	"Compiling regex-tdfa 1.1.7 using ghc 7.1.20110509 (commit 2d5205118357cac8a2dd43b33bcd93a3c00f5558) fails with:
{{{
[10 of 23] Compiling Text.Regex.TDFA.CorePattern ( Text/Regex/TDFA/CorePattern.hs, dist/build/Text/Regex/TDFA/CorePattern.o )
ghc: panic! (the 'impossible' happened)
  (GHC version 7.1.20110509 for i386-apple-darwin):
	hsValBindsImplicits: ValBindsIn

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
}}}
"	bug	closed	normal		Compiler	7.1	fixed			Unknown/Multiple	Unknown/Multiple	GHC rejects valid program