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Re: [PATCH]: Fix for PR ipa/64550
- From: Richard Biener <rguenther at suse dot de>
- To: Martin Liška <mliska at suse dot cz>
- Cc: "gcc-patches@ >> GCC Patches" <gcc-patches at gcc dot gnu dot org>
- Date: Mon, 12 Jan 2015 11:16:40 +0100 (CET)
- Subject: Re: [PATCH]: Fix for PR ipa/64550
- Authentication-results: sourceware.org; auth=none
- References: <54B39F3E dot 4090408 at suse dot cz>
On Mon, 12 Jan 2015, Martin LiÅka wrote:
> Hello.
>
> Following patch is fix for PR ipa/64550 which can bootstrap on
> x86_64-linux-pc.
> Explanation for the patch is described here: [1].
>
> I hope this is correct fix for such cases?
Ah, using TREE_THIS_VOLATILE on the result of ao_ref_base
is wrong - you need to use r1.volatile_p != r2.volatile_p.
That's actually equivalent to what your patch does, thus that
is ok.
Thanks,
Richard.
> Thanks,
> Martin
>
> [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64550
>
--
Richard Biener <rguenther@suse.de>
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