The same axis that broke 138 of 140 binaries an hour ago now lands clean, because conform_decls'
NEW arity guard located the actual obstruction instead of leaving me to absorb it by hand.
THE OBSTRUCTION WAS ONE LINE. Conforming `extern s32 func_8015B950(void)` -> `(s32 arg0)` turns
every 0-arg CALL SITE into `too few arguments`. My hand attempt assumed those were spread across the
926 TUs and would need 926 casts (the func_8012AAAC precedent, where it really was 137 separate
sites). They are not: there is exactly ONE call, in `src/shared/engine_core.h`'s
`DEFINE_func_8015BEE4()` macro body — expanded into all 926 TUs by the preprocessor.
func_8015BEE4 is a THUNK: `return func_8015B950();` with $a0 passing straight through from its own
caller. So the 0-arg call shape is byte-CORRECT and must be preserved, not fixed —
`return ((s32 (*)(void))func_8015B950)();` keeps it exactly (§17a-1; gcc folds the cast of a known
symbol to a direct jal, and the s32 return is unchanged so the thunk's value still flows).
Sequence: 1 cast -> conform_decls --apply (925 sites, R32 completion assertion: 0 remaining) ->
gate BANKED byte-identical -> R22 clean-fleet extract-all 139/139, check-all 140 passed / 0 failed.
The draft's 2 callee-decl conflicts (func_801725A4, func_80147078) dissolved with the axis.
Worth 37,398 templatable ins; the ×137 family sweep is next.
Drew T
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