diff --git a/libobjc/encoding.c b/libobjc/encoding.c
index 9bd261c52bd..f1bbd6bf6ee 100644
--- a/libobjc/encoding.c
+++ b/libobjc/encoding.c
@@ -67,6 +67,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #define UNION_TYPE      _C_UNION_B
 #define QUAL_UNION_TYPE _C_UNION_B
 #define ARRAY_TYPE      _C_ARY_B
+#define RECORD_OR_UNION_TYPE_P(TYPE)			\
+	((TREE_CODE (TYPE) == RECORD_TYPE)		\
+	 || (TREE_CODE (TYPE) == UNION_TYPE)		\
+	 || (TREE_CODE (TYPE) == QUAL_UNION_TYPE))
+#define VECTOR_TYPE_P(TYPE) (TREE_CODE (TYPE) == VECTOR_TYPE)
 
 #define REAL_TYPE       _C_DBL