[RFA] Fix c++/16253 (tag/variable name collision)

[Tom Tromey]

>>>>> "Keith" == Keith Seitz <keiths@redhat.com> writes:

Keith> I am reposting the entire patch for review. The only difference
Keith> between this and the original version is the exclusion of the patch
Keith> mentioned above.

Thanks Keith.

I like this patch quite a lot.
It gets rid of symbol_matches_domain -- that's fantastic.

Please check it in.

Tom