Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-871.cs

@@ -0,0 +1,42 @@
+using System;
+
+class D
+{
+	int arg;
+
+	public D (int arg)
+	{
+		this.arg = arg;
+	}
+
+	public static D operator & (D x, D y)
+	{
+		return new D (100);
+	}
+
+	public static bool operator false (D d)
+	{
+		return false;
+	}
+
+	public static bool operator true (D d)
+	{
+		return true;
+	}
+
+	public static implicit operator D(bool b)
+	{
+		return new D (5);
+	}
+
+	static int Main ()
+	{
+		D d = false && new D (1);
+		Console.WriteLine (d.arg);
+		if (d.arg != 100)
+			return 1;
+
+		Console.WriteLine ("ok");
+		return 0;
+	}
+}