Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs1540-10.cs

@@ -0,0 +1,24 @@
+// CS1540: Cannot access protected member `Test.A.Property' via a qualifier of type `Test.A'. The qualifier must be of type `Test.B.C' or derived from it
+// Line: 19
+
+namespace Test
+{
+    public class A
+    {
+        protected int Property {
+            get { return 0; }
+        }
+    }
+ 
+    public class B : A
+    {
+        private sealed class C
+        {
+            public C (A a)
+            {
+                int test = a.Property;
+                test++;
+            }
+        }
+    } 
+}