BFM-decomp/cookbook/C0522.md

C0522 — Dead-kept canonical types go live when a sweep spells members

tags: structs,twins,check-structs · date: 2026-10-02 · phase/task: 39/T3 · origin: P3.39 T3 summary

Dead-kept canonical types go live when a sweep spells members

A canonical type listed as dead-kept becomes live when a sweep spells members on it; type_census --check-structs then fails twins_stale until it leaves ## Dead kept. Re-run struct_twins after such sweeps.

Source: P3.39 tasks/T3.md:30.