Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0246-9.cs

@@ -0,0 +1,18 @@
+// CS0246: The type or namespace name `DllImport' could not be found. Are you missing an assembly reference?
+// Line: 16
+
+using System;
+using System.Threading;
+
+public class Test
+{
+	static void Main ()
+	{
+		var tr = new Thread (delegate () {
+			Foo ();
+		});
+	}
+
+	[DllImport ("Foo")]
+	extern static void Foo ();
+}