https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
Richard Biener changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #16 from Richard Biener ---
Author: rguenth
Date: Wed Jan 28 09:53:39 2015
New Revision: 220201
URL: https://gcc.gnu.org/viewcvs?rev=220201&root=gcc&view=rev
Log:
2015-01-28 Richard Biener
PR libstdc++/64798
* libsupc++/e
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #15 from Jakub Jelinek ---
If _Unwind_Exception already uses it, sure. Sorry, didn't know that.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #14 from rguenther at suse dot de ---
On Tue, 27 Jan 2015, jakub at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
>
> --- Comment #13 from Jakub Jelinek --- I
> think aligned attribute is similarly us
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #13 from Jakub Jelinek ---
I think aligned attribute is similarly useless for this, I'd really go for
testing alignments you need, rather than expecting some magic value. I'm not
aware of any target that would have bigger alignment f
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #12 from Richard Biener ---
Created attachment 34593
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34593&action=edit
further updated patch
Ceases use of __BIGGEST_ALIGNMENT__.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #11 from rguenther at suse dot de ---
On Tue, 27 Jan 2015, jakub at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
>
> --- Comment #10 from Jakub Jelinek ---
> __BIGGEST_ALIGNMENT__ has nothing to do wi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #10 from Jakub Jelinek ---
__BIGGEST_ALIGNMENT__ has nothing to do with alignment of malloc returned
memory.
The union I've mentioned is a reasonable guess (something actually mandated by
the standard), glibc right now guarantees 2 *
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
Richard Biener changed:
What|Removed |Added
Attachment #34591|0 |1
is obsolete|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #8 from rguenther at suse dot de ---
On Tue, 27 Jan 2015, jakub at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
>
> Jakub Jelinek changed:
>
>What|Removed |Added
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #7 from ro at CeBiTec dot Uni-Bielefeld.DE ---
> --- Comment #5 from Richard Biener ---
> Created attachment 34591
> --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34591&action=edit
> patch
>
> Ok, so it was bogus to assume siz
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #6
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #5 from Richard Biener ---
Created attachment 34591
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34591&action=edit
patch
Ok, so it was bogus to assume size_t would cover the largest alignment needed.
Can test check the atta
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE ---
> --- Comment #1 from rguenther at suse dot de ---
[...]
> Does malloc return 8-byte aligned memory? Is __alignof__
It does, according to libc sources exactly for the case at hand:
*
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
Richard Biener changed:
What|Removed |Added
Priority|P3 |P1
Status|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #2 from rguenther at suse dot de ---
On Mon, 26 Jan 2015, Richard Biener wrote:
> On Mon, 26 Jan 2015, ro at gcc dot gnu.org wrote:
>
> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
> >
> > Bug ID: 64798
> >
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #1 from rguenther at suse dot de ---
On Mon, 26 Jan 2015, ro at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
>
> Bug ID: 64798
>Summary: [5 regression] g++.old-deja/g++.eh/badal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
Rainer Orth changed:
What|Removed |Added
Target Milestone|--- |5.0
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