* alias.c (alias_set_subset_of): Handle alias-set zero
child properly.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158380
138bc75d-0d04-0410-961f-
82ee72b054a4
+2010-04-15 Richard Guenther <rguenther@suse.de>
+
+ * alias.c (alias_set_subset_of): Handle alias-set zero
+ child properly.
+
2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
Julian Brown <julian@codesourcery.com>
/* Otherwise, check if set1 is a subset of set2. */
ase = get_alias_set_entry (set2);
if (ase != 0
- && ((ase->has_zero_child && set1 == 0)
+ && (ase->has_zero_child
|| splay_tree_lookup (ase->children,
(splay_tree_key) set1)))
return true;