Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0809-2.cs

@@ -0,0 +1,29 @@
+// CS0809: Obsolete member `A.Filename' overrides non-obsolete member `Error.Filename'
+// Line: 8
+// Compiler options: -warnaserror
+
+class A: Error {
+	[System.ObsoleteAttribute ("Obsolete", true)]	
+	public override string Filename {
+		set {
+		}
+	}
+	
+	public static void Main () {}
+}
+
+public class Error {
+	public virtual string Filename {
+		set {
+		}
+		get {
+			return "aa";
+		}
+	}
+}
+
+class B {
+	void TT () {
+		new A ().Filename = "Filename";
+	}
+}