diff --git a/testdata/parser/negative/2.pdl b/testdata/parser/negative/2.pdl
new file mode 100644
index 0000000000000000000000000000000000000000..f23f1298b182c2f01b0be40ba8127f3a8d3c0b31
--- /dev/null
+++ b/testdata/parser/negative/2.pdl
@@ -0,0 +1,10 @@
+#version 100
+
+// duplicate procedures
+composite main(in a, out b) {
+	id(a, d); 
+}
+
+primitive main(in a, out b) {
+	skip;
+}