[PATCH] libstdc++: hashtable: No need to update before begin node in _M_remove_bucket_begin

[Sam James]

Huanghui Nie <nnnjkk@gmail.com> writes:

> Hi.

Please CC the libstdc++ LM for libstdc++ patches, per
https://gcc.gnu.org/onlinedocs/libstdc++/manual/appendix_contributing.html#list.patches.

> [...]