[Bug c++/52995] Change in the handling of templates and visibility attributes

rafael.espindola at gmail dot com gcc-bugzilla@gcc.gnu.org
Sun Apr 15 12:29:00 GMT 2012


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52995

--- Comment #2 from Rafael Avila de Espindola <rafael.espindola at gmail dot com> 2012-04-15 12:28:44 UTC ---
(In reply to comment #1)
> http://gcc.gnu.org/gcc-4.7/changes.html
> "The ELF symbol visibility of a template instantiation is now properly
> constrained by the visibility of its template arguments (bug c++/35688)."

I agree that a hidden type H should make A<H> hidden. The problem with this
example is that A is already declared hidden. I can see an argument for both
_ZN1AI1DE3barEv and _ZN1AI1HE3barEv to be hidden or default, but it is really
strange to change only one of them.



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