Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-247.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections;
+
+struct Blah : IEnumerable {
+	IEnumerator IEnumerable.GetEnumerator () {
+		return new ArrayList ().GetEnumerator ();
+	}
+}
+
+class B  {
+	public static void Main () {
+		foreach (object o in new Blah ())
+			;
+	}
+}