r237425 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Jun 14 07:22:04 2016
New Revision: 237425

URL: https://gcc.gnu.org/viewcvs?rev=237425&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.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp101.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c