Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-partial-04.cs

@@ -0,0 +1,32 @@
+// Compiler options: -langversion:default
+
+namespace A
+{
+	interface IFoo
+	{
+		void Hello (IFoo foo);
+	}
+}
+
+namespace B
+{
+	partial class Test
+	{ }
+}
+
+namespace B
+{
+	using A;
+
+	partial class Test : IFoo
+	{
+		void IFoo.Hello (IFoo foo)
+		{ }
+	}
+}
+
+class X
+{
+	public static void Main ()
+	{ }
+}