id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
3554	ASSERT failed! file TcMType.lhs line 349	simonmar	chak	"Test `T2627b` is failing with an assertion failure with a DEBUG compiler:

{{{
=====> T2627b(normal)
cd ./indexed-types/should_fail && '/64playpen/buildbot/x86_64-linux-head/build/inplace/bin/ghc-stage2' -fforce-recomp -dcore-lint -dcmm-lint -no-user-package-conf  -dno-debug-output -c T2627b.hs    >T2627b.comp.stderr 2>&1
Actual stderr output differs from expected:
--- ./indexed-types/should_fail/T2627b.stderr.normalised	2009-09-29 21:47:01.000000000 +0100
+++ ./indexed-types/should_fail/T2627b.comp.stderr.normalised	2009-09-29 21:47:01.000000000 +0100
@@ -1,8 +1,7 @@
+ghc: panic! (the 'impossible' happened)
+  (GHC version 6.13.20090929 for x86_64-unknown-linux):
+	ASSERT failed! file TcMType.lhs line 349
+t_aju{tv} [tau]
+
}}}"	bug	closed	normal	7.0.1	Compiler (Type checker)	6.10.4	fixed			Unknown/Multiple	Unknown/Multiple	None/Unknown	Unknown	indexed-types/should_fail/T2627b