Imported Upstream version 3.12.0

Former-commit-id: cf92446697332992ec36726e78eb8703e1f259d7

mcs/errors/cs7048.cs

@@ -0,0 +1,26 @@
+// CS7048: First argument of a security attribute `CustomSecurityAttribute' must be a valid SecurityAction
+// Line: 20
+
+using System.Security;
+using System.Security.Permissions;
+
+public class CustomSecurityAttribute : CodeAccessSecurityAttribute
+{
+	public CustomSecurityAttribute ()
+		: base (SecurityAction.Demand)
+	{
+	}
+
+	public override IPermission CreatePermission()
+	{
+		return null;
+	}
+}
+
+[CustomSecurity]
+class X
+{
+	public static void Main ()
+	{
+	}
+}