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js-on-sx: top-level this resolves to the global object
Per ES non-strict script semantics, top-level this is the global
object (window/global/globalThis). Was throwing "Undefined symbol:
this". Two-part fix:
1. js-global-this runtime variable set to js-global after globals
   are defined; js-this falls back to it when no this is active.
2. js-eval wraps transpiled body in (let ((this (js-this))) ...)
   so JS this resolves to bound this, or top-level to global.
Fixes String(this), this.Object === Object, etc.
built-ins/Object: 46/50 → 47/50. conformance.sh: 148/148.
2026-05-08 13:55:12 +00:00

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# test262 scoreboard
Pinned commit: `d5e73fc8d2c663554fb72e2380a8c2bc1a318a33`
Wall time: 179.5s
**Total:** 86/99 runnable passed (86.9%). Raw: pass=86 fail=11 skip=1 timeout=2 total=100.
## Top failure modes
- **10x** Test262Error (assertion failed)
- **2x** Timeout
- **1x** SyntaxError (parse/unsupported syntax)
## Categories (worst pass-rate first, min 10 runnable)
| Category | Pass | Fail | Skip | Timeout | Total | Pass % |
|---|---:|---:|---:|---:|---:|---:|
| built-ins/String | 86 | 11 | 1 | 2 | 100 | 86.9% |
## Per-category top failures (min 10 runnable, worst first)
### built-ins/String (86/99 — 86.9%)
- **10x** Test262Error (assertion failed)
- **2x** Timeout
- **1x** SyntaxError (parse/unsupported syntax)