diff --git a/testdata/parser/negative/9.pdl b/testdata/parser/negative/9.pdl
new file mode 100644
index 0000000000000000000000000000000000000000..8d39b6ae5ffaaed68173748de342f266cae9599e
--- /dev/null
+++ b/testdata/parser/negative/9.pdl
@@ -0,0 +1,9 @@
+#version 100
+
+// node declaration deeply nested in primitive
+primitive main(in a, out b) {
+	while (true) {
+		channel yo -> yi;
+		skip;
+	}
+}