id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
4089	Empty Show instance + phantom type + GHCi = out of memory	japple		"{{{
module ShowMemory where

data M a = M

instance Show a => Show (M a)
}}}

Load in GHCi, type ""M"" and then enter at the prompt.

It kills all my memory. I have no .ghci"	bug	closed	normal		GHCi	6.12.2	invalid			Linux	x86	GHCi crash