Drew T 161d36cf36 phase-36: argcheck (the missing-argument census), a10's verdict downgraded on Drew's challenge, and R14's documented premise corrected on bytes ...

- tools/argcheck.py: every call site whose in-scope declaration is narrower than the callee's real definition. 15,626
  definitions read; 110,478 narrower declarations over 1,912 callees (86,701 K&R-empty, 23,777 positively narrow);
  471 of them sit in a body that still holds a NEEDED $4-$7 pin — 323 bodies, the targeted draw, written to
  .run/P36/engine/argcheck_draw.tsv.
  Checked against the six agent cracks it was built from: it finds a7, a12 and a25, and it CANNOT find a13, whose
  function is declared (void) in 131 of 138 sites AND defined (void) — a declaration comparison is blind to a definition
  that is uniformly wrong. The census is a lower bound and the residual stays the oracle; the docstring says so.
  Corrected before use: the scope column says which FIX is available, not whether the body can be banked — the cast route
  is body-only at either scope (a7 closed a file-scope case that way).

- Drew challenged a10's 'needed by construction' verdict: nobody wrote the pin, so a plain-C spelling must exist. He is
  right and the verdict is downgraded to its real scope — no spelling reaches the bytes in that TU's CURRENT declaration
  environment. That environment is demonstrably wrong there: the file declares extern s32 func_801789AC(s32 arg0) while
  the body calls it through a cast that drops the argument, the same class six agents cracked today. Restoring it was
  tested at once and scores 3, not 0, so it is not the whole answer — but a verdict taken inside a distorted environment
  is not a property of the function. func_80178970 moves to the structs/types phase list rather than being marked
  permanent, with its reading attached.

- R14's documented premise corrected on bytes (agent a15): MIPS defines only PROMOTE_PROTOTYPES, not PROMOTE_MODE
  (config/mips/mips.h:1153), so a narrowed parameter stays HImode and the extension still happens at the use. R14's
  banked closes stand on their bytes, not on that rationale.

2026-09-10 10:53:20 -06:00

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