From: Jason Merrill <jason@redhat.com>
To: Gabriel Dos Reis <gdr@integrable-solutions.net>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>,
Richard Guenther <rguenther@suse.de>,
Jan Hubicka <hubicka@ucw.cz>
Subject: Re: [PATCH, PR 45934 4/6] Dynamic type change detection
Date: Sat, 04 Dec 2010 23:14:00 -0000 [thread overview]
Message-ID: <4CFACB36.3060604@redhat.com> (raw)
In-Reply-To: <AANLkTinc1Kqxh_9hGHD8WAQK305H6nRPSd0rwXR+-yn-@mail.gmail.com>
On 12/03/2010 11:21 AM, Gabriel Dos Reis wrote:
> On Fri, Dec 3, 2010 at 10:07 AM, Jason Merrill<jason@redhat.com> wrote:
>> On 12/03/2010 08:45 AM, Martin Jambor wrote:
>>> OK... but from what I have googled I understand that types with
>>> virtual functions are still explicitly not allowed to be fields of
>>> a union, right?
>>
>> They are allowed now. 9.5/4 of N3126:
>>[...]
>> I wouldn't worry about this for now, though. I'll add it to the pile of
>> union language issues.
>
> Are you anticipating banning them?
No, just need to add this to the list of cases to be considered when
fixing the C/C++ union aliasing rules.
Jason
next prev parent reply other threads:[~2010-12-04 23:14 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-01 20:22 [PATCH, PR 45934 0/6] Devirtualization aware of dynamic type changes Martin Jambor
2010-12-01 20:22 ` [PATCH, PR 45934 3/6] More robust compute_complex_ancestor_jump_func Martin Jambor
2010-12-01 20:28 ` Richard Guenther
2010-12-01 20:23 ` [PATCH, PR 45934 2/6] Remove devirtualizations that cannot be done Martin Jambor
2010-12-01 20:35 ` Richard Guenther
2010-12-02 10:46 ` Martin Jambor
2010-12-02 12:14 ` Richard Guenther
2010-12-01 20:23 ` [PATCH, PR 45934 5/6] Identify the new dynamic type after change Martin Jambor
2010-12-01 20:23 ` [PATCH, PR 45934 4/6] Dynamic type change detection Martin Jambor
2010-12-02 15:19 ` Richard Guenther
2010-12-02 16:17 ` Richard Guenther
2010-12-09 11:30 ` Martin Jambor
2010-12-02 23:25 ` Jason Merrill
2010-12-03 13:45 ` Martin Jambor
2010-12-03 14:34 ` Gabriel Dos Reis
2010-12-03 16:07 ` Jason Merrill
2010-12-03 16:09 ` Richard Guenther
2010-12-03 16:21 ` Gabriel Dos Reis
2010-12-04 23:14 ` Jason Merrill [this message]
2010-12-01 20:23 ` [PATCH, PR 45934 6/6] Intraprocedural type-based devirtualization Martin Jambor
2010-12-02 15:40 ` Richard Guenther
2010-12-01 20:23 ` [PATCH, PR 45934 1/6] [PR 46287] Do not generate direct calls to thunks Martin Jambor
2010-12-01 20:58 ` Jan Hubicka
2010-12-03 13:01 ` Martin Jambor
2010-12-14 17:39 ` Jan Hubicka
2010-12-15 15:15 ` Martin Jambor
2010-12-15 15:46 ` Jan Hubicka
2010-12-15 16:52 ` Martin Jambor
2010-12-17 14:14 ` H.J. Lu
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