https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87199
Eric Gallager <egallager at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |egallager at gcc dot gnu.org --- Comment #1 from Eric Gallager <egallager at gcc dot gnu.org> --- My first guess would be that the difference is Linux has native TLS, whereas macOS only has emutls, which would be bug 52268. I'll wait for someone else to confirm, though.