https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89322
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- This should be fixed by the changes for PR 96657
[Bug libstdc++/89322] Use of new and -lsupc++ requires -lstdc++ on architectures without atomics
redi at gcc dot gnu.org via Gcc-bugs Tue, 20 Apr 2021 07:20:31 -0700
