[Bug 57098] Battle.net does not start after upgrade to 9.16

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=57098

--- Comment #6 from Ker noa  ---
(In reply to Fabian Maurer from comment #4)
> Okay, so this is a wine-staging issue, to be exact it's bug 29384.
>
> Since commit c901884ac0af17eeeac309269693d959cfb45e0b (ntdll-WRITECOPY:
> Remove patch 0010.) the program is broken.
>
> FWIW, using "STAGING_WRITECOPY=1" completely breaks the launcher, it doesn't
> even start.

Can't be staging, because it happens with pure 9.16 and 9.17 too.