https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97570
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-9 branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:9a7ad8ff80dd5bb3ab178588f0ec92aea5251121 commit r9-9360-g9a7ad8ff80dd5bb3ab178588f0ec92aea5251121 Author: Jonathan Wakely <jwak...@redhat.com> Date: Mon Oct 26 12:02:50 2020 +0000 libstdc++: Fix declarations of memalign etc. for freestanding [PR 97570] libstdc++-v3/ChangeLog: PR libstdc++/97570 * libsupc++/new_opa.cc: Declare size_t in global namespace. Remove unused header. (cherry picked from commit 93e9a7bcd5434a24c945de33cd7fa01a25f68418)