r123254 - in /branches/gcc-4_2-branch/gcc: Chan...

[ian@gcc.gnu.org]

Author: ian
Date: Tue Mar 27 06:46:56 2007
New Revision: 123254

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123254
Log:
./:
	PR tree-optimization/31345
	* tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
	[+INF, +INF(OVF)] into VARYING.
testsuite/:
	PR tree-optimization/31345
	* gcc.c-torture/compile/pr31345-1.c: New test.

Added:
    branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/compile/pr31345-1.c
Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_2-branch/gcc/tree-vrp.c