writeonce/compiler/test/golden/owner/drops.expected
shoney.arickathil 4a62488bc6 feat: retire RC from the emitter and the format — .wob v4 (7b Phase 3b)
The compiler no longer emits reference-counting ops anywhere, and the format
reserves them. With Phase 3a's collector this completes the runtime half of
iteration 7b: spec success criteria 3 (no RC ops in any image, opcodes
reserved) and 6 (corpus ASan-clean) are met — `just oop-accept` is fully green.

- owner.ml: the rc machinery is deleted outright — rc_site/rc_op types, the
  rcs table, fn_rcs/rc_groups/rc_escaped, record_rc, release_gc, gc_escape,
  resolve_rc, and the clobber rule (its only consumer was elision). The
  `push`-of-a-gc-value RC_INC special case is gone (the bug class cannot recur
  without RC). Drop tables (owned + LGc kinds) are untouched — the gc mask is
  what feeds the collector's root maps.
- emit.ml: emit_rc, the v_rc view, the escape-acquire anchor, and every
  caller deleted; assignment displacing a traced value emits nothing (the VM's
  store barrier owns it); scope-ended LGc handles clear their gc-mask bit so
  root maps stay precise.
- .wob v4: WOB_VERSION 3 -> 4 in wob.h + emit.ml + disasm.ml + the runner's
  loader battery; opcodes 27-28 removed from the enum/jump table/interpreter
  and REJECTED by the loader like any unknown opcode.
- dump.ml: the == RC == owner-dump section is gone; 6 goldens re-blessed
  (owner dumps lose the section, elision.wo's bc dump loses its RC ops).
- runner.ml: rc-table/ELIDED assertions deleted; the elision test now asserts
  the WHOLE image contains no RC op; the table-contract sweep asserts rc ops
  never appear.
- test_unwind.c: the rc-opcodes test becomes two — the loader rejects reserved
  opcode 27, and an abandoned traced instance is freed by rt_destroy
  (ASan-proven).

Verified: woc-test 540/0 + test_diag 14/0; runtime test + test-iso all suites
ASan/UBSan (test_unwind 12/0); cli_smoke; oop-e2e 79/0 (v4 images end to end);
employee 8/0; log-watcher 7/0; ring runs + reclaimed (freed=3) with zero RC
ops in its image; `just oop-accept` ALL CRITERIA MET.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-19 17:07:43 +02:00

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== MOVES ==
16:15 MOVE inner ASSIGN
51:20 MOVE a ARG(it)
57:7 MOVE a ASSIGN
62:18 MOVE a ARG(it)
== DROPS ==
12:3 SCOPE BODY [extra, spare]
16:7 OVERWRITE spare
18:5 SCOPE WHILE [tick]
21:5 SCOPE FOR [seen]
29:3 SCOPE THEN [tmp]
31:25 LIVE-MASK [tmp, b, a]
34:5 RETURN [b, a]
36:23 LIVE-MASK [b, a]
37:3 RETURN [b, a]
41:3 LIVE-MASK [r]
42:3 RETURN [r]
46:3 RETURN [it]
50:3 JOIN-DROP ELSE [a]
58:3 RETURN [a]
64:3 RETURN [a]
== RESIDUAL ==