tree.h (attribute_value_equal): Declare.

	* tree.h (attribute_value_equal): Declare.
	* tree.c (attribute_value_equal): Export.

From-SVN: r222380

gcc/ChangeLog

@@ -20,6 +20,11 @@
 
 2015-04-23  Jan Hubicka  <hubicka@ucw.cz>
 
+	* tree.h (attribute_value_equal): Declare.
+	* tree.c (attribute_value_equal): Export.
+
+2015-04-23  Jan Hubicka  <hubicka@ucw.cz>
+
 	* ipa-icf.c (sem_item::compare_attributes): New function.
 	(sem_item::compare_referenced_symbol_properties): Compare variable
 	attributes.

gcc/tree.c

@@ -4873,7 +4873,7 @@ simple_cst_list_equal (const_tree l1, const_tree l2)
    attribute values are known to be equal; otherwise return false.
 */
 
-static bool
+bool
 attribute_value_equal (const_tree attr1, const_tree attr2)
 {
   if (TREE_VALUE (attr1) == TREE_VALUE (attr2))

gcc/tree.h

@@ -3888,6 +3888,8 @@ extern tree build_type_attribute_variant (tree, tree);
 extern tree build_decl_attribute_variant (tree, tree);
 extern tree build_type_attribute_qual_variant (tree, tree, int);
 
+extern bool attribute_value_equal (const_tree, const_tree);
+
 /* Return 0 if the attributes for two types are incompatible, 1 if they
    are compatible, and 2 if they are nearly compatible (which causes a
    warning to be generated).  */