--- every @class/@stuck/@crack note in this translation unit ---
// @class: schedule
// @stuck: none — MATCH (102 ins). MATRIX(0x20:m@0,t@0x14)+SVECTOR in/out stack layout; the only
// @class: branch-polarity
// @stuck: none — MATCH (32 ins), iteration 2. §3-T4: gcc-2.7.2 lays this out as
