r149486 - in /branches/gcc-4_3-branch/gcc: Chan...

Fri Jul 10 16:00:00 GMT 2009

Author: rguenth
Date: Fri Jul 10 16:00:13 2009
New Revision: 149486

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149486
Log:
2009-07-10  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2009-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/38934
	* tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
	set to varying whenever max has TREE_OVERFLOW set, similarly
	for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.

	* gcc.dg/pr38934.c: New test.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/pr38934.c
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_3-branch/gcc/tree-vrp.c