r179500 - in /trunk/gcc: ChangeLog fold-const.c...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Oct  4 12:34:06 2011
New Revision: 179500

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179500
Log:
	* fold-const.c (fold_unary_loc): Don't optimize
	POINTER_PLUS_EXPR casted to TYPE_RESTRICT pointer by
	casting the inner pointer if it isn't TYPE_RESTRICT.
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't through
	casts from non-TYPE_RESTRICT pointer to TYPE_RESTRICT pointer.

	* gcc.dg/tree-ssa/restrict-4.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/restrict-4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c