Brendan Eich wrote:
Let Clause 15.3.5 include new non-configurable, non-writable properties of function objects named by @call and @construct (built-in functions have only @call).

Allen points out that for self-hosting Date and the like (this came up with the Intl work too, we think), leaving @construct configurable or at least writable is necessary.

Tom and Mark rightly suggest that @call should not be something you can override on a function object. But is @construct safe to override?

/be
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