Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0577-2.cs

@@ -0,0 +1,9 @@
+// CS0577: Conditional not valid on `MainClass.~MainClass()' because it is a constructor, destructor, operator or explicit interface implementation
+// Line: 5
+
+class MainClass {
+        [System.Diagnostics.Conditional("DEBUG")]
+        ~MainClass () {}
+
+        public static void Main () {}
+}