1 files changed, 6 insertions, 14 deletions

diff --git a/src/System.Private.CoreLib/shared/System/Globalization/RegionInfo.cs b/src/System.Private.CoreLib/shared/System/Globalization/RegionInfo.cs
index 03bed85c00..30471095f0 100644
--- a/src/System.Private.CoreLib/shared/System/Globalization/RegionInfo.cs
+++ b/src/System.Private.CoreLib/shared/System/Globalization/RegionInfo.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+#nullable enable
 using System.Diagnostics;
 
 namespace System.Globalization
@@ -21,7 +22,7 @@ namespace System.Globalization
         private readonly CultureData _cultureData;
 
         // The RegionInfo for our current region
-        internal static volatile RegionInfo s_currentRegionInfo;
+        internal static volatile RegionInfo? s_currentRegionInfo;
 
         public RegionInfo(string name)
         {
@@ -37,11 +38,8 @@ namespace System.Globalization
             }
 
             // For CoreCLR we only want the region names that are full culture names
-            _cultureData = CultureData.GetCultureDataForRegion(name, true);
-            if (_cultureData == null)
-            {
+            _cultureData = CultureData.GetCultureDataForRegion(name, true) ??
                 throw new ArgumentException(SR.Format(SR.Argument_InvalidCultureName, name), nameof(name));
-            }
 
             // Not supposed to be neutral
             if (_cultureData.IsNeutralCulture)
@@ -49,7 +47,7 @@ namespace System.Globalization
                 throw new ArgumentException(SR.Format(SR.Argument_InvalidNeutralRegionName, name), nameof(name));
             }
 
-            SetName(name);
+            _name = _cultureData.RegionName;
         }
 
         public RegionInfo(int culture)
@@ -88,12 +86,6 @@ namespace System.Globalization
             _name = _cultureData.RegionName;
         }
 
-        private void SetName(string name)
-        {
-            // Use the name of the region we found
-            _name = _cultureData.RegionName;
-        }
-
         /// <summary>
         /// This instance provides methods based on the current user settings.
         /// These settings are volatile and may change over the lifetime of the
@@ -102,7 +94,7 @@ namespace System.Globalization
         {
             get
             {
-                RegionInfo temp = s_currentRegionInfo;
+                RegionInfo? temp = s_currentRegionInfo;
                 if (temp == null)
                 {
                     temp = new RegionInfo(CultureInfo.CurrentCulture._cultureData);
@@ -194,7 +186,7 @@ namespace System.Globalization
         /// RegionInfos are considered equal if and only if they have the same name
         /// (ie: en-US)
         /// </summary>
-        public override bool Equals(object value)
+        public override bool Equals(object? value)
         {
             return value is RegionInfo otherRegion
                 && Name.Equals(otherRegion.Name);