r195642 - in /trunk/gcc: ChangeLog fold-const.c...

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Fri Feb  1 10:19:57 2013
New Revision: 195642

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195642
Log:
	* fold-const.c (make_range_step) <TRUTH_NOT_EXPR>: Bail out if the
	range isn't testing for zero.

Added:
    trunk/gcc/testsuite/gnat.dg/opt26.adb
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog