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

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101926
Bug 101926 depends on bug 115351, which changed state.

Bug 115351 Summary: [14 regression] pointless movs when passing by value on x86-64
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115351

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED