diff --git a/testdata/parser/negative/3.txt b/testdata/parser/negative/3.txt
new file mode 100644
index 0000000000000000000000000000000000000000..010dcbaa770c39d19aa5ad9b8d20902b4ba12a62
--- /dev/null
+++ b/testdata/parser/negative/3.txt
@@ -0,0 +1,3 @@
+Parse error at 3.pdl:7:3: Illegal nested synchronous statement
+		synchronous {
+		^