selfhost/cmd: astrndup → strings.dup view (γ-2); drop wcc.astrndup

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The final 2 astrndup callers in w6a (main.ww fname capture and the
dupstr wrapper in parse.ww) now use the uniform γ-1 shape:

    let view: str;
    view.ptr = src;
    view.len = n: i32;
    out = strings.dup(view);

With both call sites converted, wcc.astrndup is dead and removed
from selfhost/cmd/wcc/mem.ww. amalloc + arena bootstrap stay
(other callers; #7 Phase B/C territory).

The two `// astrndup until #11 (w6a types shadow) is fixed.`
WHY-pointers are obsolete (#11 landed in 6696e95) and dropped per
CLAUDE.md rule 8.

dupstr in parse.ww keeps its (*arena, *u8, u64) signature; the
vestigial *arena param is tracked by task #10.

Verified 132/132 incl. 991_w6a_ww + 995_self_rebuild byte-identity.

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This commit is contained in:

Hojun-Cho

2026-05-21 11:21:07 +09:00

parent 6696e95da4

commit 3dae4d9e9a

8 changed files with 1951 additions and 116 deletions

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selfhost/cmd/w6a/main.combined.ww

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