https://bugs.winehq.org/show_bug.cgi?id=46285
--- Comment #1 from Sagawa sagawa.aki+winebugs@gmail.com --- Created attachment 63003 --> https://bugs.winehq.org/attachment.cgi?id=63003 proposed patch
Could you try this patch? With this patch, wine uses built-in fallback list before trying Fontconfig.