https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82888
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-11-07
CC| |ebotcazou at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Producing the memset upfront probably generates better code for all cases,
> even if the frontend code is a little more complicated.
FWIW that's what the Ada front-end does in similar cases.
