https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106977
--- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Iain Sandoe from comment #14) > So it would seem that we might want to find a reproducer that we can look at > the various tree dumps and see if/where an sret is introduced? > > (if that's not the cause, then we'll have to find a new hypothesis) POD vs non-POD (I think TYPE_ADDRESSABLE causes the difference but I am not 100% sure ...)