Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-396-lib.cs

@@ -0,0 +1,30 @@
+// Compiler options: -t:library
+
+public class A
+{
+	public static bool operator==(A a1, A a2)
+	{
+		return true;
+	}
+
+	public static bool operator!=(A a1, A a2)
+	{
+		return false;
+	}
+
+	public override bool Equals (object o)
+	{
+		return true;
+	}
+
+	public override int GetHashCode ()
+	{
+		return base.GetHashCode ();
+	}
+
+	public int KK () { return 1; }
+}
+
+public class B : A {
+}
+