[Bug target/66782] Unable to run 64-bit wine after MS->SYSV register changes

[marcus at jet dot franken.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66782

--- Comment #4 from marcus at jet dot franken.de ---
(actually not sure this is the same issue that my wine colleagueds are seeing,
but it also a miscompilation)