r226854 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Aug 13 09:39:50 2015
New Revision: 226854

URL: https://gcc.gnu.org/viewcvs?rev=226854&root=gcc&view=rev
Log:
2015-08-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/67191
	* tree-ssa-sccvn.c (sccvn_dom_walker::before_dom_children): Remove
	assert we value-numbered last stmts operand because it can validly
	trigger for unreachable code.

	* gcc.dg/torture/pr67191.c: New testcase.
	* g++.dg/torture/pr67191.C: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr67191.C
    trunk/gcc/testsuite/gcc.dg/torture/pr67191.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c