On Monday, 10 July 2023 at 14:46:47 UTC, Brian Callahan wrote: > > Actually, I take that back. We don't do the --enable-cet flag > for libphobos (didn't know that existed). But we build all of > GCC with -fcf-protection=branch. Grep `build/*/libphobos/config.log` for CET_DFLAGS. You shouldn't need to enable it explicitly on x86/64.