r139375 - in /trunk/gcc: ChangeLog tree-vrp.c

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Aug 21 11:25:28 2008
New Revision: 139375

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139375
Log:
2008-08-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/37181
	* tree-vrp.c (extract_range_from_binary_expr): Check for NULL
	folding result.
	(extract_range_from_unary_expr): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vrp.c