Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-119.cs

@@ -0,0 +1,50 @@
+class Value {
+	public static explicit operator int (Value val)
+	{
+		return 1;
+	}
+
+	public static explicit operator MyObject (Value val)
+	{
+		return new MyObject (1);
+	}	
+
+	public static explicit operator uint (Value val)
+	{
+		return 1;
+	}
+}
+
+class MyObject {
+	public MyObject (int i) {}
+}
+
+class Derived : MyObject {
+	public Derived (int i) : base (i) { }
+
+	Derived Blah ()
+	{
+		Value val = new Value ();
+
+		return (Derived) val;
+	}
+}
+
+class Test {
+	public static int Main ()
+	{
+		Value v = new Value ();
+
+		v = null;
+
+		try {
+			// This will throw an exception.
+			// This test is more of a compile test, we need a real
+			// good test that does not require this lame catch.
+			Derived d = (Derived) v;
+		} catch {
+		}
+
+		return 0;
+	}
+}