id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
3922	nameModule panic when building numbers package	simonmar	simonpj	"Building the `numbers-2009.8.9` package from Hackage with yesterday's GHC HEAD (2010-03-15):

{{{
~/tmp/numbers-2009.8.9 > ./Setup build
Preprocessing library numbers-2009.8.9...
Building numbers-2009.8.9...

Data/Number/Fixed.hs:1:16:
    Warning: -fscoped-type-variables is deprecated: use -XScopedTypeVariables or pragma {-# LANGUAGE ScopedTypeVariables #-} instead
[7 of 9] Compiling Data.Number.CReal ( Data/Number/CReal.hs, dist/build/Data/Number/CReal.o )
ghc-stage2: panic! (the 'impossible' happened)
  (GHC version 6.13.20100315 for x86_64-unknown-linux):
        nameModule $w$cnegate{v r2zR}
}}}
"	bug	closed	high	7.0.1	Compiler	6.13	fixed		michael.lesniak@…	Unknown/Multiple	Unknown/Multiple	Compile-time crash