id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
2111	Incorrect arrow rec {} notation crashes in ghci	luqui	igloo	"{{{
[ ~ ]% ghci -fglasgow-exts -farrows                                                                         
GHCi, version 6.8.1: http://www.haskell.org/ghc/  :? for help
Loading package base ... linking ... done.
Prelude> do { rec { x <- undefined -< x }; undefined -< x }
ghc-6.8.1: panic! (the 'impossible' happened)
  (GHC version 6.8.1 for i386-unknown-linux):
        tcDoStmt: unexpected Stmt
    rec {(x{v anj}) <- base:GHC.Err.undefined{v rle} -< x{v anj}}

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

Prelude> Leaving GHCi.
[ ~ ]% ghc --version                                                                                         
The Glorious Glasgow Haskell Compilation System, version 6.8.1
[ ~ ]% uname -a                                                                                             
Linux madhatter 2.6.22-gentoo-r8 #6 PREEMPT Sat Oct 20 04:19:22 GMT 2007 i686 AMD Turion(tm) 64 Mobile Technology ML-40 AuthenticAMD GNU/Linux
}}}"	merge	closed	normal		Compiler	6.8.1	fixed			Linux	x86		Unknown	T2111