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[Bug rtl-optimization/47414] [4.6 Regression] wrong code with -O -freorder-blocks -fschedule-insns2 -fno-early-inlining -fstrict-aliasing -ftracer
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 24 Jan 2011 16:09:09 +0000
- Subject: [Bug rtl-optimization/47414] [4.6 Regression] wrong code with -O -freorder-blocks -fschedule-insns2 -fno-early-inlining -fstrict-aliasing -ftracer
- Auto-submitted: auto-generated
- References: <bug-47414-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47414
--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> 2011-01-24 16:08:44 UTC ---
On Mon, 24 Jan 2011, jakub at gcc dot gnu.org wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47414
>
> --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-24 15:21:32 UTC ---
> In particular it is
> aliasing_component_refs_p that says those 2 don't alias.
>
> Richi, can you please have a look?
Sure. That's type-based disambiguation btw.