Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-705.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+
+class Test
+{
+	public static int Counter = 0;
+	
+	public struct Nested : IDisposable
+	{
+		public int Current { get { return 1; } }
+		public bool MoveNext ()
+		{
+			return false;
+		}
+		
+		public void Reset ()
+		{
+		}
+
+		void IDisposable.Dispose()
+		{
+			Counter++;
+		}
+
+		public void Dispose()
+		{
+			throw new ApplicationException ("error");
+		}
+	}
+
+	public Nested GetEnumerator ()
+	{
+		return new Nested ();
+	}
+}
+
+public static class Program
+{
+	public static int Main ()
+	{
+		Test t = new Test ();
+		
+		foreach (int i in t) {
+		}
+		
+		if (Test.Counter != 1)
+			return 1;
+		
+		return 0;
+	}
+}