Hojun-Cho 8d2d157a58 wcc/ww: flexible rune-const promotion at scalar seams (coercerunelit) ...

wwstage stamped N_RUNELIT as concrete rune (cstage: untyped_rune,
check.c:1296), so an uncast rune literal into a fitting integer slot
over-rejected where harec accepts (promote_flexible). Add coercerunelit
(mirror of coercefloatlit) at the scalar seams — let-init, return,
call-arg, index-store; coarse accept, no range check (mirror cstage
type.c:379); array-literal elements keep the range gate
(arrlit_init_fits, types.c:923). Teeth: the fnmatch.ww '\\': u8
workaround cast and getopttest's 'X': u8 index-store casts are removed
and compile green. Checker-only (no e.type_ restamp): byte-id held.

2026-06-11 20:41:20 +09:00

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