[Webkit-unassigned] [Bug 193912] [JSC] Repeat string created from Array.prototype.join() take too much memory

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=193912

--- Comment #4 from Guillaume Emont <guijemont at igalia.com> ---
Created attachment 360761

  --> https://bugs.webkit.org/attachment.cgi?id=360761&action=review

Screenshot form massif-visualizer showing where memory was allocated

In the attached screenshot, we see that about 485M is allocated by JSRopeString::create() and about 80M by JSArray::tryCreate().

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