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

[tony at kelman dot net]

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

--- Comment #18 from Tony Kelman <tony at kelman dot net> ---
Sorry for the delay in getting to trying out your patch. Yes, it looks like it
does fix the test case here when applied to the gcc 6 branch.

Can running the test suite provide meaningful information from a cross-compile
build?