[Webkit-unassigned] [Bug 20340] SegmentedVector segment allocations can lead to unsafe use of temporary registers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20340





------- Comment #6 from cwzwarich at uwaterloo.ca  2008-08-10 15:52 PDT -------
(In reply to comment #5)
> Is there a way to test this condition?

I was thinking about that myself. We could add some debugging machinery to
SegmentedVector and RegisterID to allow tagging RegisterIDs by the segment in
which they are allocated, just incrementing a counter each time. Other than
that, I don't think there is a way to consistently expose this flaw.


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