[Bug ipa/77333] Incorrect stack adjust in epilogue when targeting i686-w64-mingw32

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77333

--- Comment #23 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Fixed on trunk so far.  I will prepare & test backports.