Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-387.cs

@@ -0,0 +1,25 @@
+public struct ObjectID {
+	long l;
+
+	public ObjectID (long l)
+	{
+		this.l = l;
+	}
+
+	public static implicit operator long (ObjectID p)
+	{
+		return p.l;
+	}
+
+	public static implicit operator ObjectID (long l)
+	{
+		return new ObjectID (l);
+	}
+
+	public static void Main ()
+	{
+		ObjectID x = new ObjectID (0);
+		decimal y = x;
+	}
+}
+