commit c909315aa35130b84df9304b4799801af05a4e35
Author: Jason Merrill <jason@redhat.com>
Date:   Thu May 18 15:23:27 2017 -0400

            * tree.h (id_strcmp): New.

diff --git a/gcc/tree.h b/gcc/tree.h
index c6e883c..0f01149 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -3618,6 +3618,20 @@ tree_operand_check_code (const_tree __t, enum tree_code __code, int __i,
 
 #endif
 
+/* strcmp of an identifier and a C string.  */
+
+inline int
+id_strcmp (const_tree id, const char *str)
+{
+  return strcmp (IDENTIFIER_POINTER (id), str);
+}
+
+inline int
+id_strcmp (const char *str, const_tree id)
+{
+  return strcmp (str, IDENTIFIER_POINTER (id));
+}
+
 #define error_mark_node			global_trees[TI_ERROR_MARK]
 
 #define intQI_type_node			global_trees[TI_INTQI_TYPE]