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BFM-decomp/docs
Drew T 803d73bb97 docs(phase-30): SESSION-28 checkpoint — T2 proven + tooled; fleet 92.71/88.3/78.7, R22 140/140
Records the T2 result as the phase's biggest unblock: the carve-within-a-carve is
byte-neutral (Arm-A does NOT bite), the real constraint is that an address range is
not an optimization region (SS126), and tools/o0_subsplit.py implements the correct
bound. Measured, not assumed, what it unblocks: 275 open stub instances across 18
overlays in the 0x8013B568..0x8013C98C cluster, homed in an -O2 jr split — plus a
note that the T0(f) "2,192 open members" pin is STALE and must be re-derived before
costing (R37).

Also flags my own under-count: the "15 contiguous -O0 fns" came from an asm scan that
cannot see matched functions.
2026-07-31 08:44:31 -06:00
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