small GC tweak

[Mark Mitchell]

>>>>> "Zack" == Zack Weinberg <zackw@stanford.edu> writes:

    Zack> This should be a small performance improvement.  However I
    Zack> do not have numbers (and the compiler seems to be getting
    Zack> slower, overall, lately).

How annoying, considering that a week or two ago I spent a lot of
effort speeding it up!  I've got more speed-up patches, but waiting
for the branch.

    Zack> Bootstrapped i686-linux; ok to apply?  (after the branch?)

Yes, this is OK after the branch.

--
Mark Mitchell                   mark@codesourcery.com
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