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Re: Limit template parameters in hashtable
- From: Paolo Carlini <paolo dot carlini at oracle dot com>
- To: Jonathan Wakely <jwakely dot gcc at gmail dot com>
- Cc: François Dumont <frs dot dumont at gmail dot com>, "libstdc++ at gcc dot gnu dot org" <libstdc++ at gcc dot gnu dot org>
- Date: Sun, 21 Jul 2013 21:42:43 +0200
- Subject: Re: Limit template parameters in hashtable
- References: <51E45D4D dot 8020208 at gmail dot com> <CAH6eHdQi2f2LRB65cGsGQbYXxNE6kK0-76vw3b9fyBQEieKrCA at mail dot gmail dot com> <51E70465 dot 2050708 at gmail dot com> <CAH6eHdQRqs6SC0Qv8o=j9txApQisatrHAKHw=e+_mOdfmOvJgg at mail dot gmail dot com>
Hi,
On 07/21/2013 07:55 PM, Jonathan Wakely wrote:
Benjamin, Paolo, do you have any opinion on the ABI change for 4.9? It
happens because the _M_bbegin member moves to a base class, so
_hashtable changes layout, with members in a different order.
Basing also on what we discussed at the Cauldron, I think that at this
point we'll stabilize the ABI only in the next series, not in 4.9. In
practice, if we want to be picky in terms of linking object codes, isn't
4.9 already incompatible with 4.8?
Paolo.