r125269 - in /trunk/gcc: ChangeLog testsuite/Ch...

[ian@gcc.gnu.org]

Author: ian
Date: Fri Jun  1 22:47:02 2007
New Revision: 125269

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125269
Log:
./:
	* tree-vrp.c (compare_name_with_value): Always set
	used_strict_overflow if we get a result from the variable itself.
testsuite/:
	* gcc.dg/Wstrict-overflow-17.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/Wstrict-overflow-17.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c