diff --git a/testdata/parser/negative/2.txt b/testdata/parser/negative/2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c7f4e2082d58c59766c74d920fbcb7002c9b0c2
--- /dev/null
+++ b/testdata/parser/negative/2.txt
@@ -0,0 +1,3 @@
+Parse error at 2.pdl:8:1: Defined symbol clash: main
+primitive main(in a, out b) {
+^