1 files changed, 18 insertions, 1 deletions
diff --git a/Python/asdl.c b/Python/asdl.c
index 225df6e761..72329b9d2f 100644
--- a/Python/asdl.c
+++ b/Python/asdl.c
@@ -8,7 +8,24 @@ asdl_seq_new(int size, PyArena *arena)
 	size_t n = sizeof(asdl_seq) +
 			(size ? (sizeof(void *) * (size - 1)) : 0);
 
-    seq = (asdl_seq *)PyArena_Malloc(arena, n);
+	seq = (asdl_seq *)PyArena_Malloc(arena, n);
+	if (!seq) {
+		PyErr_NoMemory();
+		return NULL;
+	}
+	memset(seq, 0, n);
+	seq->size = size;
+	return seq;
+}
+
+asdl_int_seq *
+asdl_int_seq_new(int size, PyArena *arena)
+{
+	asdl_int_seq *seq = NULL;
+	size_t n = sizeof(asdl_seq) +
+			(size ? (sizeof(int) * (size - 1)) : 0);
+
+	seq = (asdl_int_seq *)PyArena_Malloc(arena, n);
 	if (!seq) {
 		PyErr_NoMemory();
 		return NULL;