new data
diff --git a/asn1c/tests/data-126/data-126-12.in b/asn1c/tests/data-126/data-126-12.in
new file mode 100644
index 0000000..2b17d34
--- /dev/null
+++ b/asn1c/tests/data-126/data-126-12.in
@@ -0,0 +1,4 @@
+<PDU>
+	<str-m></str-m>
+	<singl><opt-z></opt-z></singl>
+</PDU>