https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82888
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- -O3 produces the memset: _ZN1AC2Ev: .LFB1: .cfi_startproc mov x2, 4096 mov w1, 0 b memset .cfi_endproc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82888
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- -O3 produces the memset: _ZN1AC2Ev: .LFB1: .cfi_startproc mov x2, 4096 mov w1, 0 b memset .cfi_endproc