id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
3782	"Data Parallel ""Impossible happened"" compiler error"	guest	benl	"When I attempted to compile my vectorized code , I got the following message:
{{{
ghc -c -Odph -fcpr-off -fdph-seq newprop.hs
ghc: panic! (the 'impossible' happened)
  (GHC version 6.12.1 for i386-apple-darwin):
	sumTyCon 11

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
}}}
"	bug	new	low	7.6.2	Data Parallel Haskell	6.12.1			rl@…	Unknown/Multiple	Unknown/Multiple	None/Unknown			7330