Merge in 'release/2.2' changes

Author: dotnet-bot

src/Native/Unix/System.Native/pal_networking.c

@@ -2173,7 +2173,7 @@ static int32_t TryChangeSocketEventRegistrationInner(
 
     assert(currentEvents != newEvents);
 
-    int32_t changes = currentEvents ^ newEvents;
+    int32_t changes = (int32_t)(currentEvents ^ newEvents);
     int8_t readChanged = (changes & SocketEvents_SA_READ) != 0;
     int8_t writeChanged = (changes & SocketEvents_SA_WRITE) != 0;
 
@@ -2235,7 +2235,7 @@ static int32_t WaitForSocketEventsInner(int32_t port, struct SocketEvent* buffer
         struct kevent evt = events[i];
         memset(&buffer[i], 0, sizeof(struct SocketEvent));
         buffer[i].Data = GetSocketEventData(evt.udata);
-        buffer[i].Events = GetSocketEvents(GetKeventFilter(evt.filter), GetKeventFlags(evt.flags));
+        buffer[i].Events = (int32_t)(GetSocketEvents(GetKeventFilter(evt.filter), GetKeventFlags(evt.flags)));
     }
 
     *count = numEvents;

src/System.Globalization/tests/RegionInfo/RegionInfoTests.Properties.cs

@@ -51,8 +51,8 @@ public void NativeName(string name, string expected)
         [Theory]
         [InlineData("en-US", new string[] { "United States" })]
         [InlineData("US", new string[] { "United States" })]
-        [InlineData("zh-CN", new string[] { "China", "People's Republic of China" })]
-        [InlineData("CN", new string[] { "China", "People's Republic of China" })]
+        [InlineData("zh-CN", new string[] { "China", "People's Republic of China", "China mainland" })]
+        [InlineData("CN", new string[] { "China", "People's Republic of China", "China mainland" })]
         public void EnglishName(string name, string[] expected)
         {
             string result = new RegionInfo(name).EnglishName;

src/System.Runtime.Serialization.Json/tests/DataContractJsonSerializer.cs

@@ -3062,15 +3062,6 @@ private static string getCheckFailureMsg(string propertyName)
 
     private static string GetAmString(DateTimeFormat dateTimeFormat)
     {
-        var dcjsSettings = new DataContractJsonSerializerSettings() { DateTimeFormat = dateTimeFormat };
-        var dcjs = new DataContractJsonSerializer(typeof(DateTime), dcjsSettings);
-        using (var ms = new MemoryStream())
-        {
-            dcjs.WriteObject(ms, new DateTime());
-            ms.Position = 0;
-            string output = new StreamReader(ms).ReadToEnd();
-            string actualam = output.Contains("a.m.") ? "a.m." : "a. m.";
-            return actualam;
-        }
+        return ((CultureInfo)dateTimeFormat.FormatProvider).DateTimeFormat.AMDesignator;
     }
 }

src/shims/shims.proj

@@ -63,13 +63,13 @@
 
     <WriteSigningRequired
         Condition="'@(NetFxContracts)' != '' and '$(SkipSigning)' != 'true' and '$(SignType)' != 'public'"
-        AuthenticodeSig="Microsoft"
+        AuthenticodeSig="Microsoft400"
         StrongNameSig="%(NetFxContracts.StrongNameSig)"
         MarkerFile="$(GenFacadesOutputPath)%(NetFxContracts.Filename)%(NetFxContracts.Extension).requires_signing" />
 
     <WriteSigningRequired
         Condition="'@(NETStandardContracts)' != '' and '$(SkipSigning)' != 'true' and '$(SignType)' != 'public'"
-        AuthenticodeSig="Microsoft"
+        AuthenticodeSig="Microsoft400"
         StrongNameSig="Open"
         MarkerFile="$(GenFacadesOutputPath)%(NETStandardContracts.Filename)%(NETStandardContracts.Extension).requires_signing" />