Index: mcs/class/System.Core/System/TimeZoneInfo.cs

===================================================================

--- mono-2.6.7/mcs/class/System.Core/System/TimeZoneInfo.cs	(revision 160268)

+++ mono-2.6.7/mcs/class/System.Core/System/TimeZoneInfo.cs	(working copy)

@@ -380,9 +380,22 @@

 			else

 				ParseRegTzi(adjustmentRules, 1, 9999, reg_tzi);

-			return CreateCustomTimeZone (id, baseUtcOffset, display_name, standard_name, daylight_name, ValidateRules (adjustmentRules).ToArray ());

+			return CreateCustomTimeZone (id, baseUtcOffset, display_name, standard_name, daylight_name,

+							(AdjustmentRule []) ValidateRules (adjustmentRules).ToArray ());

 		}

+		static List<AdjustmentRule> ValidateRules (List<AdjustmentRule> adjustmentRules)

+		{

+			AdjustmentRule prev = null;

+			foreach (AdjustmentRule current in adjustmentRules.ToArray ()) {

+				if (prev != null && prev.DateEnd > current.DateStart) {

+					adjustmentRules.Remove (current);

+				}

+				prev = current;

+			}

+			return adjustmentRules;

+		}

+

 		private static void ParseRegTzi (List<AdjustmentRule> adjustmentRules, int start_year, int end_year, byte [] buffer)

 		{

 			//int standard_bias = BitConverter.ToInt32 (buffer, 4); /* not sure how to handle this */

@@ -895,22 +908,11 @@

 				}

 				return CreateCustomTimeZone (id, baseUtcOffset, id, standardDisplayName);

 			} else {

-				return CreateCustomTimeZone (id, baseUtcOffset, id, standardDisplayName, daylightDisplayName, ValidateRules (adjustmentRules).ToArray ());

+				return CreateCustomTimeZone (id, baseUtcOffset, id, standardDisplayName, daylightDisplayName,

+								(AdjustmentRule []) ValidateRules (adjustmentRules).ToArray ());

 			}

 		}

-		static List<AdjustmentRule> ValidateRules (List<AdjustmentRule> adjustmentRules)

-		{

-			AdjustmentRule prev = null;

-			foreach (AdjustmentRule current in adjustmentRules.ToArray ()) {

-				if (prev != null && prev.DateEnd > current.DateStart) {

-					adjustmentRules.Remove (current);

-				}

-				prev = current;

-			}

-			return adjustmentRules;

-		}

-

 		static Dictionary<int, string> ParseAbbreviations (byte [] buffer, int index, int count)

 		{

 			var abbrevs = new Dictionary<int, string> ();