Imported Upstream version 3.10.0

Former-commit-id: 172c8e3c300b39d5785c7a3e8dfb08ebdbc1a99b

mcs/errors/cs0171-7.cs

@@ -0,0 +1,18 @@
+// CS0171: Field `S1.s2' must be fully assigned before control leaves the constructor
+// Line: 11
+
+using System;
+
+struct S1
+{
+	S2 s2;
+
+	public S1 (int arg)
+	{
+	}
+}
+
+struct S2
+{
+	int field;
+}