[Bug middle-end/101926] [meta-bug] struct/complex argument passing and return should be improved

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101926
Bug 101926 depends on bug 99712, which changed state.

Bug 99712 Summary: Cannot elide aggregate parameter setup
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99712

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |DUPLICATE