[Bug 55368] New: NtCreateFile broken for non-ASCII with RootDirectory

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55368

Bug ID: 55368
           Summary: NtCreateFile broken for non-ASCII with RootDirectory
           Product: Wine
           Version: 8.12
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ntdll
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 74950
  --> https://bugs.winehq.org/attachment.cgi?id=74950
Reproducer

Output on Windows:

00000000

Output on Wine:

C000003B

relevant logs with +file:

0114:trace:file:NtCreateFile handle=0x11fd38 access=00100001
name=L"\??\C:\test" objattr=00000040 root=(nil) sec=(nil) io=0x11fd40
alloc_size=(nil) attr=00000080 sharing=00000003 disp=3 options=00204021
ea=(nil).0x00000000
0114:trace:file:nt_to_unix_file_name_no_root L"\??\C:\test" ->
"/root/.wine/dosdevices/c:/test"
0114:trace:file:NtCreateFile handle=0x11fd18 access=c0110000 name=L"\0171.txt"
objattr=00000040 root=(nil) sec=(nil) io=0x11fd40 alloc_size=(nil)
attr=00000080 sharing=00000000 disp=3 options=00000020 ea=(nil).0x00000000
0114:warn:file:NtCreateFile L"\0171.txt" not found (c000003b)