[Bug libstdc++/92059] Crash on tr2::dynamic_bitset::operator=() with optimization

[jharris at simplexinvestments dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92059

--- Comment #11 from John Harris <jharris at simplexinvestments dot com> ---
Great.  Thanks for the quick and thorough response.