[PATCH v2 0/2] MR10804: Draft: unicode: optimize memicmp_strW by doing case-sensitive comparision first

[Stephan Seitz (＠theHamsta)]

Call to slow `to_lower` can be avoided, if characters already match
case-sensitive.

This cuts the time for wine boot in half

`17.165 s` -> `8879.9 ms`

Wine-bug: https://bugs.winehq.org/show_bug.cgi?id=59695

--
  v2: registry: optimize `find_subkey` for sorted data
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10804