r158045 - in /trunk/gcc: ChangeLog emit-rtl.c f...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Apr  7 10:13:25 2010
New Revision: 158045

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158045
Log:
2010-04-07  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42617
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
	discard plain indirect references.
	* fold-const.c (operand_equal_p): Guard against NULL_TREE
	type.
	* tree.c (tree_nop_conversion): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/emit-rtl.c
    trunk/gcc/fold-const.c
    trunk/gcc/tree.c