[patch] ld speedup 1/3 (suffix merge)

[Lars Knoll]

> > The resulting profile is still very lopsided (30% of time is spent in
> > sec_merge_hash_lookup), so there may be more opportunities to speed
> > things up, but your patch alone helps a great deal.
>
> That's the second patch Michael and I did on the KDE meeting. We'll post a
> patch for that as well.

Sorry, should finish my coffee before writing emails. 

We didn't do anything about this one (although we saw the problem) as it would 
require some bigger changes in the internals of binutils to avoid the 
repeated calculations of the elf hash value (ie. calculate it once and store 
it along with the string).

Lars