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js-on-sx: js-div coerces divisor to inexact
(js-div 1 0) with rational integer literals throws "rational: division
by zero" instead of producing Infinity. Wrapped the divisor in
(exact->inexact ...) so integer-by-zero now returns inf/-inf/nan
matching JS semantics. Hit by the harness's _isSameValue +0/-0 check
which calls (js-div 1 a) on JS literal arguments.
built-ins/Number: 37/50 → 41/50. built-ins/String: 77/99.
conformance.sh: 148/148.
2026-05-07 18:35:29 +00:00

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# test262 scoreboard
Pinned commit: `d5e73fc8d2c663554fb72e2380a8c2bc1a318a33`
Wall time: 420.7s
**Total:** 77/99 runnable passed (77.8%). Raw: pass=77 fail=16 skip=1 timeout=6 total=100.
## Top failure modes
- **14x** Test262Error (assertion failed)
- **6x** Timeout
- **1x** ReferenceError (undefined symbol)
- **1x** SyntaxError (parse/unsupported syntax)
## Categories (worst pass-rate first, min 10 runnable)
| Category | Pass | Fail | Skip | Timeout | Total | Pass % |
|---|---:|---:|---:|---:|---:|---:|
| built-ins/String | 77 | 16 | 1 | 6 | 100 | 77.8% |
## Per-category top failures (min 10 runnable, worst first)
### built-ins/String (77/99 — 77.8%)
- **14x** Test262Error (assertion failed)
- **6x** Timeout
- **1x** ReferenceError (undefined symbol)
- **1x** SyntaxError (parse/unsupported syntax)