tree.c (cp_tree_equal): Deal with TRAIT_EXPR.

2007-04-09  Paolo Carlini  <pcarlini@suse.de>

	* tree.c (cp_tree_equal): Deal with TRAIT_EXPR.

From-SVN: r123673

gcc/cp/ChangeLog

+2007-04-09  Paolo Carlini  <pcarlini@suse.de>
+
+	* tree.c (cp_tree_equal): Deal with TRAIT_EXPR.
+
 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
 
 	* cp-objcp-common.h (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS):

gcc/cp/tree.c

@@ -1828,6 +1828,12 @@ cp_tree_equal (tree t1, tree t2)
 	return false;
       return cp_tree_equal (OVL_CHAIN (t1), OVL_CHAIN (t2));
 
+    case TRAIT_EXPR:
+      if (TRAIT_EXPR_KIND (t1) != TRAIT_EXPR_KIND (t2))
+	return false;
+      return same_type_p (TRAIT_EXPR_TYPE1 (t1), TRAIT_EXPR_TYPE1 (t2))
+	&& same_type_p (TRAIT_EXPR_TYPE2 (t1), TRAIT_EXPR_TYPE2 (t2));
+
     default:
       break;
     }