benchmarks for the release

[Stephen Weeks]

> With md5, the last removeUnused pass determines that the results of
> these SSA functions aren't used; between removeUnused and the
> shrinker, the functions are reduced to "nothing."  But, we're at the
> end of the SSA passes, so nothing inlines or eliminates these
> functions.

I had figured that since we were 3X faster than mlton-20011006 and 15X
faster than SML/NJ that something else had changed to cause us to get
those functions.  But I didn't look and see.