https://bugs.winehq.org/show_bug.cgi?id=51703
--- Comment #4 from andrew@amorgan.xyz --- (In reply to Zebediah Figura from comment #3)
Thanks for the detailed report. Does this bug appear in upstream (non-staging) wine?
It does appear in the 'wine' package, v6.16-1, from the official Arch Linux repo: https://archlinux.org/packages/multilib/x86_64/wine/.
I can try building from a checkout of wine as well if necessary.