--- every @class/@stuck/@crack note in this translation unit ---
// @class: schedule
// @stuck: none -- MATCH (114 ins). Four arms written out in full (§396-b: let gcc cross-jump the
// @class: schedule
// @stuck: none — MATCH (102 ins). MATRIX(0x20:m@0,t@0x14)+SVECTOR in/out stack layout; the only
// @class: struct
// @stuck: none — MATCH (fn-ptr table %lo-fold via extern array of code ptrs)
