Merge branch 'V5-5-patches' into V5-6-patches

* V5-5-patches:
  Restore "CHANGES: Win32: perl: BUG: 2488: Avoid "Free to wrong pool" error"
  Revert "CHANGES: Win32: perl: BUG: 2488: Avoid "Free to wrong pool" error"
  Add reproducer for bug 2488