Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

mcs/tests/test-static-using-07.cs

@@ -0,0 +1,25 @@
+using static System.String;
+using static S;
+
+struct S
+{
+	internal static int Foo ()
+	{
+		return 5;
+	}
+}
+
+class Test
+{
+    public static int Main ()
+    {
+		string res = Concat ("a", "b", "c");
+		if (res != "abc")
+			return 1;
+
+		if (Foo () != 5)
+			return 2;
+
+		return 0;
+    }
+}