JS 'globalThis' now rewrites to SX (js-global) — the global object dict.
JS 'eval' rewrites to js-global-eval, a no-op stub that echoes its first
arg. Many test262 tests probe eval's existence or pass simple literals
through it; a no-op is better than 'Undefined symbol: eval'.
A full eval would require plumbing js-eval into the runtime with access
to the enclosing lexical scope — non-trivial. The stub unblocks tests
that just need eval to be callable.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
giles
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