[corlib] First specific culture returned by enumerator was not fully initialized. Fixes #29039

2 files changed, 12 insertions, 2 deletions

diff --git a/mcs/class/corlib/System.Globalization/CultureInfo.cs b/mcs/class/corlib/System.Globalization/CultureInfo.cs
index e9f9ac4f7b0..7865e0c92bb 100644
--- a/mcs/class/corlib/System.Globalization/CultureInfo.cs
+++ b/mcs/class/corlib/System.Globalization/CultureInfo.cs
@@ -417,11 +417,12 @@ namespace System.Globalization
 			// The runtime returns a NULL in the first position of the array when
 			// 'neutral' is true. We fill it in with a clone of InvariantCulture
 			// since it must not be read-only
+			int i = 0;
 			if (neutral && infos.Length > 0 && infos [0] == null) {
-				infos [0] = (CultureInfo) InvariantCulture.Clone ();
+				infos [i++] = (CultureInfo) InvariantCulture.Clone ();
 			}
 
-			for (int i = 1; i < infos.Length; ++i) {
+			for (; i < infos.Length; ++i) {
 				var ci = infos [i];
 				infos [i].m_cultureData = CultureData.GetCultureData (ci.m_name, false, ci.datetime_index, ci.CalendarType, ci.iso2lang);
 			}
diff --git a/mcs/class/corlib/Test/System.Globalization/CultureInfoTest.cs b/mcs/class/corlib/Test/System.Globalization/CultureInfoTest.cs
index 3b743845371..48a8e76b63d 100644
--- a/mcs/class/corlib/Test/System.Globalization/CultureInfoTest.cs
+++ b/mcs/class/corlib/Test/System.Globalization/CultureInfoTest.cs
@@ -226,6 +226,15 @@ namespace MonoTests.System.Globalization
 		}
 
 		[Test]
+		public void GetAllCultures_Specific ()
+		{
+			CultureInfo [] infos = CultureInfo.GetCultures (CultureTypes.SpecificCultures);
+			foreach (CultureInfo ci in infos) {
+				Assert.IsNotNull (ci.DateTimeFormat);
+			}
+		}
+
+		[Test]
 #if !NET_4_0
 		[ExpectedException (typeof (NotSupportedException))]
 #endif