ghci crashes

Hi all, the compiler was installed from the file ghc_7.10.2-2_armhf.deb

localhost: arch armv7l

localhost: ghci
GHCi, version 7.10.2: http://www.haskell.org/ghc/  :? for help
Prelude> :l Course/List.hs
[1 of 2] Compiling Course.Core      ( Course/Core.hs, interpreted )
[2 of 2] Compiling Course.List      ( Course/List.hs, interpreted )
Ok, modules loaded: Course.List, Course.Core.
*Course.List> (1:. 2:. Nil) ++ (1:. 2:. Nil)
[1,2,1,2Segmentation fault (core dumped)

The files Core.hs and List.hs are attached. I dont know how to cut the example down any smaller. Sorry.

Trac metadata

Trac field	Value
Version	7.10.2
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture