diff --git a/gcc/typeclass.h b/gcc/typeclass.h
new file mode 100644
index 0000000000000000000000000000000000000000..b16604253617cb4347ef0fa0038fd4c2218f5c68
--- /dev/null
+++ b/gcc/typeclass.h
@@ -0,0 +1,14 @@
+/* Values returned by __builtin_classify_type.  */
+
+enum type_class
+{
+  no_type_class = -1,
+  void_type_class, integer_type_class, char_type_class,
+  enumeral_type_class, boolean_type_class,
+  pointer_type_class, reference_type_class, offset_type_class,
+  real_type_class, complex_type_class,
+  function_type_class, method_type_class,
+  record_type_class, union_type_class,
+  array_type_class, string_type_class, set_type_class, file_type_class,
+  lang_type_class
+};