Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-675-lib.cs

@@ -0,0 +1,24 @@
+// Compiler options: -t:library
+
+public class A
+{
+	public override int GetHashCode ()
+	{
+		return 1;
+	}
+	
+	public override bool Equals (object o)
+	{
+		return true;
+	}
+	
+	public static bool operator == (A u1, A u2)
+	{
+		return true;
+	}
+
+	public static bool operator != (A u1, A u2)
+	{
+		return false;
+	}
+}