[Bug tree-optimization/104665] Failure to recognize memcpy

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104665

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Please include the full code here, including the #include directives. Not just
a link to godbolt.org.