[Bug middle-end/61456] [4.9/4.10 Regression] Bogus "may be used uninitialized" warning

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61456

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Teresa Johnson from comment #8)
> Thanks for the quick fix. Do you know if this fixed the issue I
> reported in comment #2 (seg fault in a similar test case)?

I didn't check but I guess so.

> Teresa
> 
> On Tue, Jun 10, 2014 at 7:11 AM, rguenth at gcc dot gnu.org
> <gcc-bugzilla@gcc.gnu.org> wrote:
> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61456
> >
> > --- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
> > Author: rguenth
> > Date: Tue Jun 10 14:10:57 2014
> > New Revision: 211411
> >
> > URL: http://gcc.gnu.org/viewcvs?rev=211411&root=gcc&view=rev
> > Log:
> > 2014-06-10  Richard Biener  <rguenther@suse.de>
> >
> >     PR middle-end/61456
> >     * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
> >     Do not use the main variant for the type comparison.
> >     (ncr_compar): Likewise.
> >     (nonoverlapping_component_refs_p): Likewise.
> >
> >     * g++.dg/opt/pr61456.C: New testcase.
> >
> > Added:
> >     trunk/gcc/testsuite/g++.dg/opt/pr61456.C
> > Modified:
> >     trunk/gcc/ChangeLog
> >     trunk/gcc/testsuite/ChangeLog
> >     trunk/gcc/tree-ssa-alias.c
> >
> > --
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