Complicated dg test cases

[Matt Austern <austern at apple dot com>]

OK, now I have to plead for help.  There's one important corner case on 
Darwin ("important" meaning that you're almost certain to get it wrong 
if you don't deal with it specially) that isn't covered by any existing 
test case and that requires some icky stuff: building a static archive 
and then linking against it.  This test cannot be rewritten to avoid 
the .a, because what we're testing is very specifically the interaction 
between static archives and our template implementation.

Here's one way to write the test case.  What I don't know is how to put 
this in a form where it can become part of the dg test suite.  Any 
advice?

			--Matt

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