Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-353.cs

@@ -0,0 +1,12 @@
+// Compiler options: support-353.cs -out:test-353.exe
+
+using System;
+ 
+[Obsolete]
+public class One { }
+ 
+#pragma warning disable 612
+ 
+public class Two {
+        private One one;
+}