[Webkit-unassigned] [Bug 84980] Random crashes in webkit if a compiler addresses C++ defect #391

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=84980





--- Comment #3 from Alexey Proskuryakov <ap at webkit.org>  2012-04-26 13:26:19 PST ---
I'll ask around, but my understanding is that the temporary does not go away when bound to a reference like this.

The reason to use this idiom is to avoid copying. How I read defect 391 is that resolving it guarantees that copy constructor won't be invoked (basically forcing compilers to make "const AtomicString& localName" more efficient than "AtomicString localName" in this example).

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