2 files changed, 50 insertions, 1 deletions

diff --git a/mcs/class/corlib/System/Array.cs b/mcs/class/corlib/System/Array.cs
index d699446f2b5..91424bc6f8f 100644
--- a/mcs/class/corlib/System/Array.cs
+++ b/mcs/class/corlib/System/Array.cs
@@ -68,7 +68,10 @@ namespace System
 
 		internal IEnumerator<T> InternalArray__IEnumerable_GetEnumerator<T> ()
 		{
-			return new InternalEnumerator<T> (this);
+			if (Length == 0)
+				return EmptyInternalEnumerator<T>.Value;
+			else
+				return new InternalEnumerator<T> (this);
 		}
 
 		internal void InternalArray__ICollection_Clear ()
@@ -271,6 +274,38 @@ namespace System
 			}
 		}
 
+		internal class EmptyInternalEnumerator<T> : IEnumerator<T>
+		{
+			public static readonly EmptyInternalEnumerator<T> Value = new EmptyInternalEnumerator<T> ();
+
+			public void Dispose ()
+			{
+				return;
+			}
+
+			public bool MoveNext ()
+			{
+				return false;
+			}
+
+			public T Current {
+				get {
+					throw new InvalidOperationException ("Enumeration has not started. Call MoveNext");
+				}
+			}
+
+			object IEnumerator.Current {
+				get {
+					return Current;
+				}
+			}
+
+			void IEnumerator.Reset ()
+			{
+				return;
+			}
+		}
+
 		// InternalCall Methods
 		[MethodImplAttribute (MethodImplOptions.InternalCall)]
 		extern int GetRank ();
diff --git a/mcs/class/corlib/Test/System/ArrayTest.cs b/mcs/class/corlib/Test/System/ArrayTest.cs
index 0a04041aea3..36db33d6352 100644
--- a/mcs/class/corlib/Test/System/ArrayTest.cs
+++ b/mcs/class/corlib/Test/System/ArrayTest.cs
@@ -3693,6 +3693,20 @@ public class ArrayTest
 		Assert.AreEqual (3, c.Counter);		
 	}
 
+	[Test]
+	public void EnumeratorsEquality ()
+	{
+		int [] normalBase = new int [0];
+		IEnumerable<int> specialBase = new int [0];
+
+		var firstSpecial = specialBase.GetEnumerator ();
+		var secondSpecial = specialBase.GetEnumerator ();
+		var firstNormal = normalBase.GetEnumerator ();
+		var secondNormal = normalBase.GetEnumerator ();
+
+		Assert.IsFalse (object.ReferenceEquals (firstNormal, secondNormal));
+		Assert.IsTrue (object.ReferenceEquals (firstSpecial, secondSpecial));
+	}
 
 	[Test]
 	public void JaggedArrayCtor ()