patch applied (testsuite): add test from #2185

[Simon Marlow]

Thu Jun 19 04:03:34 PDT 2008  Simon Marlow <marlowsd at gmail.com>
  * add test from #2185

    A ./tests/ghc-regress/concurrent/2185/
    A ./tests/ghc-regress/concurrent/2185/2185.hs
    A ./tests/ghc-regress/concurrent/2185/Makefile
    A ./tests/ghc-regress/concurrent/2185/all.T

View patch online:
http://darcs.haskell.org/testsuite/_darcs/patches/20080619110334-12142-382bced47a8c539514bf488dc8bb760c9acf6d3d.gz