https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80669
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |msebor at gcc dot gnu.org --- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> --- The bug is expand_builtin_stpncpy working too hard (and not entirely correctly) to compute the size of the source sequence. It should leave it to the check_sizes function which already does this work and does it right, like strncpy does. Let me fix that today.