https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118557
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|-Wstringop-overflow false |-Wstringop-overflow false
|positive for span on |positive for span on
|array/string_view |array/string_view due to
| |the vectorizer
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
-fno-tree-vectorize hides the warning.
The size of 8 gave me the hint that this was most likely the vectorizer.