https://bugs.winehq.org/show_bug.cgi?id=50151
--- Comment #3 from Gijs Vermeulen gijsvrm@gmail.com --- (In reply to Mario Motohashi from comment #2)
Unfortunately, wine-4.19, wine-4.20 and some commits designated by git-bisect fail to build on my system (git HEAD can be built).
Can you try including "-fcommon" in CFLAGS and rerunning the bisect?