https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671
--- Comment #65 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Michael Matz from comment #64) > I would find it extremely surprising if in > > a = b; > > the RHS doesn't constitute an access to the value of object 'b' (even > depending on the type of b). Are you really saying this Jason? (just trying > to make extra > sure) It accesses b, but it doesn't access the object stored in b's char[N] member via placement new.