[main] Update dependencies from dotnet/linker

eng/Version.Details.xml

@@ -230,9 +230,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>7698a9a80c5f6270aa1122d79ce419c7b03f2498</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="7.0.100-1.22160.1">
+    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="7.0.100-1.22168.6">
       <Uri>https://github.com/dotnet/linker</Uri>
-      <Sha>5baeb5e08b4a5fd6995e6247c7cb41b673c5ecdc</Sha>
+      <Sha>5929598c16cd5d791eb33d4b5978f3140a136262</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Common" Version="1.0.0-prerelease.22160.1">
       <Uri>https://github.com/dotnet/xharness</Uri>

eng/Versions.props

@@ -169,7 +169,7 @@
     <!-- Docs -->
     <MicrosoftPrivateIntellisenseVersion>6.0.0-preview-20220104.1</MicrosoftPrivateIntellisenseVersion>
     <!-- ILLink -->
-    <MicrosoftNETILLinkTasksVersion>7.0.100-1.22160.1</MicrosoftNETILLinkTasksVersion>
+    <MicrosoftNETILLinkTasksVersion>7.0.100-1.22168.6</MicrosoftNETILLinkTasksVersion>
     <MicrosoftNETILLinkAnalyzerPackageVersion>$(MicrosoftNETILLinkTasksVersion)</MicrosoftNETILLinkAnalyzerPackageVersion>
     <!-- ICU -->
     <MicrosoftNETCoreRuntimeICUTransportVersion>7.0.0-preview.3.22157.1</MicrosoftNETCoreRuntimeICUTransportVersion>

src/libraries/System.Private.CoreLib/src/System/Type.Helpers.cs

@@ -366,10 +366,16 @@ public virtual bool IsAssignableFrom([NotNullWhen(true)] Type? c)
             return false;
         }
 
+        // IL2085 is produced due to the "this" of the method not being annotated and used in effectively this.GetInterfaces()
         [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2085:UnrecognizedReflectionPattern",
             Justification = "The GetInterfaces technically requires all interfaces to be preserved" +
                 "But this method only compares the result against the passed in ifaceType." +
                 "So if ifaceType exists, then trimming should have kept it implemented on any type.")]
+        // IL2075 is produced due to the BaseType not returning annotated value and used in effectively this.BaseType.GetInterfaces()
+        [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2075:UnrecognizedReflectionPattern",
+            Justification = "The GetInterfaces technically requires all interfaces to be preserved" +
+                "But this method only compares the result against the passed in ifaceType." +
+                "So if ifaceType exists, then trimming should have kept it implemented on any type.")]
         internal bool ImplementInterface(Type ifaceType)
         {
             Type? t = this;

src/libraries/System.Private.DataContractSerialization/src/System/Runtime/Serialization/Json/JsonFormatWriterGenerator.cs

@@ -728,6 +728,7 @@ private void InternalSerialize(MethodInfo methodInfo, LocalBuilder memberValue,
                 _ilg.Call(methodInfo);
             }
 
+            [RequiresUnreferencedCode(DataContract.SerializerTrimmerWarning)]
             private LocalBuilder UnwrapNullableObject(LocalBuilder memberValue)// Leaves !HasValue on stack
             {
                 Type memberType = memberValue.LocalType;

src/libraries/System.Private.Xml/src/System/Xml/Serialization/Types.cs

@@ -1196,12 +1196,13 @@ private static void PopulateMemberInfos(StructMapping structMapping, MemberMappi
             }
         }
 
+        // The DynamicallyAccessedMemberTypes.All annotation is required here because the method
+        // tries to access private members on base types (which is normally blocked by reflection)
+        // This doesn't make the requirements worse since the only callers already have the type
+        // annotated as All anyway.
         private static bool ShouldBeReplaced(
             MemberInfo memberInfoToBeReplaced,
-            [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicProperties
-                | DynamicallyAccessedMemberTypes.NonPublicProperties
-                | DynamicallyAccessedMemberTypes.PublicFields
-                | DynamicallyAccessedMemberTypes.NonPublicFields)] Type derivedType,
+            [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.All)] Type derivedType,
             out MemberInfo replacedInfo)
         {
             replacedInfo = memberInfoToBeReplaced;