[Webkit-unassigned] [Bug 143239] No way to quickly make non-enumerable instance properties

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=143239

--- Comment #8 from Ryosuke Niwa <rniwa at webkit.org> ---
Alright, I've made a slightly better micro benchmark at https://gist.github.com/rniwa/572ed56668366e6542d3

It doesn't seem like defining or accessing symbol properties isn't significantly slower:

Defining string properties: 242 ms 
Accessing string properties: 95 ms 
Defining symbol properties: 271 ms 
Accessing string properties: 143 ms

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