Hojun-Cho 62c7771594 wcc/ww: self-hosted deterministic ar-writer + archive dup-detect (M3-tail c5a, #62) ...

Per-package .a archives are written by a self-hosted deterministic ar
writer (zeroed mtime/uid/gid, fixed mode 100644, stable member order)
so cstage and wwstage emit byte-identical archives. The linker
force-loads the root .o positionally and pulls deps from .a; a
post-pull PASS-3 over unloaded members reports duplicate symbols
through the archive (#31). Both stages mirrored (cmd/ + selfhost/).

USER-ruled D2 (self-hosted ar writer); pike P1/P2 link model. Gate
989_separchive_run proves cs.a==ww.a byte-identity, 3x-determinism,
link-consumes-.a (exit 7), and the masked-dup-through-.a loud fire.

2026-06-16 14:54:19 +09:00

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