[Bug target/78197] Stack layout strangeness on AIX and Power

[vogt at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78197

--- Comment #1 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
(... does it use a different condition *on purrpose* ...)