r225870 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Jul 16 11:27:34 2015
New Revision: 225870

URL: https://gcc.gnu.org/viewcvs?rev=225870&root=gcc&view=rev
Log:
2015-07-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/66894
	* tree-vrp.c (register_edge_assert_for_2): Fix bad assumption
	about deriving NE_EXPR from truncated values.

	* gcc.dg/torture/pr66894.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr66894.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c