https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101525
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |msebor at gcc dot gnu.org --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- The address is likely CSEd to &it->position.charpos (? just guessing) and then the warning fires because it's misdesigned.