diff --git a/testdata/parser/negative/23.txt b/testdata/parser/negative/23.txt
new file mode 100644
index 0000000000000000000000000000000000000000..820e916998e4112ddc422f41bc41c2a633ec3fd4
--- /dev/null
+++ b/testdata/parser/negative/23.txt
@@ -0,0 +1,3 @@
+Parse error at 23.pdl:13:7: Unresolved label
+	goto unreach;
+	     ^