More embarrassing microbenchmars for D's GC.

[Rounin]

Thank you for those kind words! Hopefully, it'll become a prioritized issue
whenever more pressing things are resolved.

In the meantime, here are (some slightly anonymized versions of) the MD5 files in
question. They're about 9-10 megabytes each, so no wonder it allocates a bit of
memory!

http://folk.uio.no/davidjo/a.md5
http://folk.uio.no/davidjo/b.md5
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end