On Fri, 10 Jul 2020 at 21:45, Jan Alexander Steffens (heftig) via arch-dev-public <arch-dev-public@archlinux.org> wrote: > 3. -fstack-clash-protection: > Hardening of large stack allocations. Cost should be negigible. > > We need to patch clang to ignore this, like we once did for -fno-plt.
Apparently, Fedora didn't think it was a good idea to make this a no-op. [1] The good news is it will be in Clang 11 (out in two-ish months?). Definitely worth waiting. [1] https://bugzilla.redhat.com/show_bug.cgi?id=1658311
