https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93237
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2020-01-12 Ever confirmed|0 |1 --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Mine, working on it with a patch to reassociate where we will reassociate bit_inserts and remove un-needed ones and then we add this optimization in the same location where we know have the vector fully defined by inserts and also by just by elements (not sub-elements).