[C++ patch] one more missed mark_used

[Mark Mitchell]

> Just for this part?  So, that means the patch is not approved since
> you had also comments on another part.

Correct.  I believe that my comment that:

> You should be careful about this test.  For example, I expect that you
> will now not walk the initializers of declarations, which might
contain
> pointers-to-members, or statement-expressions containing try/catch
> blocks.

is still valid.

-- 
Mark Mitchell
CodeSourcery, LLC
mark@codesourcery.com