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[Bug middle-end/61456] [4.9/4.10 Regression] Bogus "may be used uninitialized" warning
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 10 Jun 2014 14:11:30 +0000
- Subject: [Bug middle-end/61456] [4.9/4.10 Regression] Bogus "may be used uninitialized" warning
- Auto-submitted: auto-generated
- References: <bug-61456-4 at http dot gcc dot gnu dot org/bugzilla/>
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