Imported Upstream version 6.12.0.86

Former-commit-id: 7a84ce7d08c42c458ac8e74b27186ca863315d79

mcs/class/referencesource/mscorlib/system/globalization/charunicodeinfo.cs

@@ -1,3 +1,4 @@
+#if __MonoCS__
 // ==++==
 //
 //   Copyright (c) Microsoft Corporation.  All rights reserved.
@@ -596,3 +597,4 @@ namespace System.Globalization {
         }
     }
 }
+#endif

mcs/class/referencesource/mscorlib/system/globalization/numberformatinfo.cs

@@ -241,6 +241,13 @@ namespace System.Globalization {
         [System.Security.SecuritySafeCritical]  // auto-generated
         internal NumberFormatInfo(CultureData cultureData)
         {
+#if MONO
+            if (GlobalizationMode.Invariant) {
+                this.m_isInvariant = true;
+                return;
+            }
+#endif
+
             if (cultureData != null)
             {
                 // We directly use fields here since these data is coming from data table or Win32, so we