https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99983
--- Comment #14 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:2ed860be33b61ea553bf44976ef877c8356d601b commit r10-9680-g2ed860be33b61ea553bf44976ef877c8356d601b Author: Jonathan Wakely <jwak...@redhat.com> Date: Fri Apr 9 15:47:26 2021 +0100 libstdc++: Fix bootstrap error due to inconsistent noexcept-specifier [PR 99983] The backport of r11-8062 as r10-9673 missed out a piece, which causes bootstrap failures. PR bootstrap/99983 * include/bits/hashtable.h (_Hashtable): Fix noexcept-speciofier on definition to match the one on the declaration.