diff --git a/testdata/parser/negative/20.pdl b/testdata/parser/negative/20.pdl
new file mode 100644
index 0000000000000000000000000000000000000000..5b840e4fa1506b1b76ea3230c61ea2db69ff3c71
--- /dev/null
+++ b/testdata/parser/negative/20.pdl
@@ -0,0 +1,7 @@
+#version 100
+
+primitive main(in a) {
+	int[] x = {1,2,3};
+	x[1] = (x[0] < x[2] ? x[1:2] : x[0:1])[0:0][0];
+	x[1] = x[1][0:1];
+}
\ No newline at end of file