[webkit-reviews] review requested: [Bug 186898] ensureWritableX should only convert away from CoW when it will succeed : [Attachment 343288] patch

[bugzilla-daemon at webkit.org]

Saam Barati <sbarati at apple.com> has asked  for review:
Bug 186898: ensureWritableX should only convert away from CoW when it will
succeed
https://bugs.webkit.org/show_bug.cgi?id=186898

Attachment 343288: patch

https://bugs.webkit.org/attachment.cgi?id=343288&action=review