https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79548
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 #3 from Martin Sebor <msebor at gcc dot gnu.org> --- TREE_USED(decl) is set for a typedef in maybe_record_typedef_use() in c-family/warn.c. Let me see if there's an easy way to fix this.