[Bug bootstrap/109188] Building genmodes under MinGW-W64/MSYS2 fails due to undefined HOST_EXTRA_OBJS_SYMBOL

[jdx at o2 dot pl via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109188

--- Comment #13 from Jan Dubiec <jdx at o2 dot pl> ---
I have applied the patch posted yesterday on PR108865 and everything seems to
be fine.