[Bug libstdc++/91547] std::string_view find_last_not_of can trigger unsigned integer overflow

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91547

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
There's no such thing as unsigned integer overflow. That sanitizer doesn't
exist in GCC because it's dumb. The behaviour of that function is perfectly
well defined.