Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-213.cs

@@ -0,0 +1,30 @@
+public interface SomeInterface
+{
+	int Foo { get; set; }
+}
+
+public struct SomeStruct : SomeInterface
+{
+	int x;
+	public int Foo {
+		get { return x; }
+		set { x = value; }
+	}
+}
+
+public class Test
+{
+	public static void Fun<T> (T t)
+		where T : SomeInterface
+	{
+		if (++t.Foo != 1)
+			throw new System.Exception ("not 1");
+		if (t.Foo != 1)
+			throw new System.Exception ("didn't update 't'");
+	}
+
+	public static void Main()
+	{
+		Fun (new SomeStruct ());
+	}
+}