Updated RemoveItemsRange to properly remove each item and not just the index items

Commit migrated from https://github.com/dotnet/coreclr/commit/b474a2a96d6ca31f3a093fd83b49537eee382794

diff --git a/src/libraries/System.Private.CoreLib/src/System/Collections/ObjectModel/Collection.cs b/src/libraries/System.Private.CoreLib/src/System/Collections/ObjectModel/Collection.cs
index a320a4b..3fb2693 100644 (file)
--- a/src/libraries/System.Private.CoreLib/src/System/Collections/ObjectModel/Collection.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Collections/ObjectModel/Collection.cs
@@ -215,7 +215,7 @@ namespace System.Collections.ObjectModel
 
             for (int i = index; i < length; i++)
             {
-                RemoveAt(index);
+                RemoveAt(i);
             }
         }