r189885 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Jul 26 10:25:15 2012
New Revision: 189885

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189885
Log:
2012-07-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54098
	* tree-vrp.c (vrp_visit_phi_node): Iterate once more if the
	original range was UNDEFINED.

	* gcc.dg/torture/pr54098.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr54098.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c