r139093 - in /trunk/gcc: ChangeLog fold-const.c...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Aug 14 09:02:46 2008
New Revision: 139093

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139093
Log:
	PR middle-end/37103
	* fold-const.c (fold_widened_comparison): Do not allow
	sign changes that change the result even if shorter type
	is wider than arg1_unw's type.

	* gcc.c-torture/execute/20080813-1.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/20080813-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog