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[Bug tree-optimization/71521] [6 Regression] Regression in GCC-7.0.0's optimizer
- 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, 14 Jun 2016 10:28:54 +0000
- Subject: [Bug tree-optimization/71521] [6 Regression] Regression in GCC-7.0.0's optimizer
- Auto-submitted: auto-generated
- References: <bug-71521-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71521
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jun 14 10:28:23 2016
New Revision: 237428
URL: https://gcc.gnu.org/viewcvs?rev=237428&root=gcc&view=rev
Log:
2016-06-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/71521
* tree-vrp.c (extract_range_from_binary_expr_1): Guard
division int_const_binop against zero divisor.
* gcc.dg/tree-ssa/vrp101.c: New testcase.
Modified:
trunk/gcc/testsuite/ChangeLog