patch applied (ghc): sanity check the top stack frame, not the whole stack

[Simon Marlow]

Wed Dec  2 05:40:20 PST 2009  Simon Marlow <marlowsd at gmail.com>
  * sanity check the top stack frame, not the whole stack
  Ignore-this: c4c9b58c13299eecf7ec8cb79e34dc1f

    M ./rts/Interpreter.c -1 +2

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20091202134020-12142-9f74417b62d0f8a97d068f1d46a2f09871593123.gz