[Bug tree-optimization/109281] use std::optional results in suboptimal code

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109281
Bug 109281 depends on bug 101326, which changed state.

Bug 101326 Summary: std::optional returns forced through stack
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101326

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