Mark S. Miller 822589b1ef
[nonextensible-applies-to-private] Adding private field to non-extensible object throws (#4577)
* [nonextensible-applies-to-private] Adding private field to non-extensible object throws

* add feature nonextensible-applies-to-private

* extending tests in response to reviewer suggestions

* use const instead of let
2025-09-22 12:58:55 -07:00
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2019-11-10 20:18:56 -08:00
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