writeonce/tests/corpus/compile-fail/lang-multifile-single-report/fixture.wo
shoney.arickathil 1ba035397d feat(compiler): iteration 5 Tasks 1-4 — modules, language surface, switch, typedef records + enum variants
- Modules: `use`/`pub`, directory-as-module, per-module symbol resolution (a
  flat first-wins merge silently ran the wrong `pub fn` body), six reserved
  stdlib namespaces typed UNKNOWN-BUT-RESERVED.
- Surface: `and`/`or` (own precedence tier, short-circuit, Bool-only), `${}`
  interpolation desugared at parse time, `const`, break/continue with
  drop-correct exits, do-while, inline-fn rejection.
- switch expr/stmt: required `default` over scalars/Text, arm unification,
  EQ/EQS+JZ lowering, per-arm drop scopes with N-way JOIN-DROP; `default`
  sorted last by a shared lowering order (textual order made arms dead).
- typedef records: structural, same shape = one class entry; `?name: T`
  nullable-by-shape; emit_ctor fills omitted defaults; `type` as field name.
- Enum variants: all-bare unions = int ordinals; any-payload = one class
  entry per variant, tag IS the header class_id (no header field, no format
  bump); exhaustive switch without `default`; arity checked both directions.
- Payload escape modeled as move-out (pointer-kind fields only — a scalar
  escape is a copy); caller reaps owned heap temps passed by borrow: two
  unbounded LSan-blind leaks, 10.5 MB -> 1.5 MB flat over 300k iterations.
- Fixed en route, each with a RED repro: dead E209 builtin-arg check and
  `int_to_text` missing from both types.ml builtin tables (both segfaulted
  wovm), multi-file phantom double-report, emit_ctor's field temp clobbering
  dst in tail position (pre-existing), warnings swallowed without an error.
- Two fenced VM builtins: `int_to_text` (13), `variant_tag` (14).
- 14+565 unit (was 14+401), corpus 71 (was 32) plain and under wovm_asan,
  wovm-test + cli_smoke green. Log-watcher 307 -> 93 diagnostics (85 E101 /
  4 E207 / 1 E208 / 3 W202); the 5 non-E101 residuals await Task 7 grammar.
2026-08-12 14:40:07 +02:00

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-- Hotfix repro (multi-file double-report): a body-level check (here
-- WO-E202, unknown field) must fire exactly once, tagged with THIS
-- file -- not once per OTHER discovered file too. `it.price` is the
-- one real bug (Item has no `price` field, only `n`). other/helper.wo
-- exists purely to make this a two-file program: the bug needs N>1
-- discovered files to reproduce at all (with one file, there is no
-- "other file's pass" to re-report under). See
-- .superpowers/sdd/2026-08-01-haxe-parity-language/hotfix-e209-report.md's
-- "Disclosed, NOT fixed" section for the original diagnosis.
class Item { n: Int }
fn main() {
let it = Item{n:1}
print_int(it.price)
}