patch applied (ghc-7.0/testsuite): Simplify test case a bit, and add comments

[Ian Lynagh]

Wed Dec 15 04:40:36 PST 2010  simonpj at microsoft.com
  * Simplify test case a bit, and add comments

    M ./tests/ghc-regress/typecheck/should_run/T3731.hs -19 +55

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc-7.0/testsuite;a=darcs_commitdiff;h=20101215124036-1287e-93f2e68774f77d14dc530386cc5e1c753b5ecc18.gz