Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-256.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+
+public class Test
+{
+	public IEnumerator<string> GetEnumerator ()
+	{
+		yield return "TEST";
+		try {
+			int.Parse (arg);
+		} catch {
+			yield break;
+		}
+		yield return "TEST2";
+	}
+
+	public static void Main ()
+	{
+		new Test ().Run ();
+	}
+
+	string arg;
+
+	void Run ()
+	{
+		int i = 0;
+		foreach (string s in this)
+			i++;
+		if (i != 1)
+			throw new Exception ();
+
+		arg = "1";
+		i = 0;
+		foreach (string s in this)
+			i++;
+		if (i != 2)
+			throw new Exception ();
+	}
+}
+
+