Two harness gaps were closed as per-region overrides, both found by the workers
and implemented by the coordinator:
1. maspsx=off. Worker A isolated the $at-macro-store-in-the-jr-delay-slot shape
with a decisive experiment: cc1 emits an empty delay slot, maspsx fills it with
a nop, and GNU as in reorder mode fills it properly by moving the last half of
the expanded store. Six regions need this, including 0x800F3160 -- Phase 5's
first recorded bounded negative, unreachable for three phases -- and 0x800F8AEC,
0x800F8B58, 0x800F8B6C, 0x800F8FE4, 0x80102B10. Worker B reverse-engineered the
same mechanism independently from the cc1 output.
2. gp=-NAME. The gp marker is per symbol, but the original's access form is per
SITE: 0x80121F84 is read gp-relative at 0x800A80BC and written absolutely at
0x8002D288, in the same function. A byte search confirmed 6 gp-relative
accesses at d=0x64c, so worker B's census row was right and worker A's source
was right; only a per-region exclusion can express both. This makes cookbook
finding 10 incomplete.
Both overrides are validated (199 tests, 10 added), and sf3_merge gained
--skip-registered because a worker's claims file is naturally cumulative.
Cycle-2 merge: 66 claims, 58 accepted, 8 skipped, 0 rejected. Candidate gate:
c_regions=115, 0 differing bytes, SHA-1 e173426c. Promoted, then make check green:
199 tests, regions=115 disagreements=0, c_regions=115 MATCH.
Distinct matched bodies: 51 -> 109, past the phase milestone of 70.
Christopher Williams
9a49ee62f7