[Bug tree-optimization/59611] std::copy performs worse than naive implementation when copying a single known byte

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59611
Bug 59611 depends on bug 61473, which changed state.

Bug 61473 Summary: register sized memmove not inlined
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61473

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