[Bug libstdc++/99402] [10 Regression] std::copy creates _GLIBCXX_DEBUG false positive for attempt to subscript a dereferenceable (start-of-sequence) iterator

[kip at thevertigo dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99402

--- Comment #11 from Kip Warner <kip at thevertigo dot com> ---
Thanks Jonathan. That was a constructive follow up.