patch applied (ghc): Replace a checking `is_elem` with a plain `elem`

[Simon Marlow]

Wed Sep 30 01:43:58 PDT 2009  Simon Marlow <marlowsd at gmail.com>
  * Replace a checking `is_elem` with a plain `elem`
  Ignore-this: a08006a388c13fa1886fae0ff556ea76
  This one complains sometimes, but there's no good way to improve it.

    M ./compiler/codeGen/CgClosure.lhs -2 +1

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090930084358-12142-b6e0d0bf68b52416df3c838c101cd475e8834e1a.gz