Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs1622.cs

@@ -0,0 +1,17 @@
+// CS1622: Cannot return a value from iterators. Use the yield return statement to return a value, or yield break to end the iteration
+// Line: 11
+using System.Collections;
+
+class X {
+	IEnumerator MyEnumerator (int a)
+	{
+		if (a == 0)
+			yield return 1;
+		else
+			return null;
+	}
+
+	static void Main ()
+	{
+	}
+}