Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0252-2.cs

@@ -0,0 +1,28 @@
+// CS0252: Possible unintended reference comparison. Consider casting the left side expression to type `A' to get value comparison
+// Line: 15
+// Compiler options: -warnaserror
+
+using System;
+
+class A
+{
+	public override int GetHashCode ()
+	{
+		return base.GetHashCode ();
+	}
+	
+	public override bool Equals (object obj)
+	{
+		return obj != this;
+	}
+	
+	public static bool operator == (A left, A right)
+	{
+		return true;
+	}
+	
+	public static bool operator != (A left, A right)
+	{
+		return false;
+	}
+}