[Webkit-unassigned] [Bug 172683] Debugger has unexpected effect on program correctness

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=172683

--- Comment #1 from Sam Weinig <sam at webkit.org> ---
The test case is replacing the @@iterator on Array to a function that counts the number of times it is accessed, and then forwards on to the original iterator. 

So it seems, when debugging, something is accessing the Array.prototype[@@iterator] in an observable way, which is unexpected to me, though I don't know if it is a bug.

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