[Webkit-unassigned] [Bug 68746] wtf/BitVector.h has a variety of bugs which manifest when the vector grows beyond 63 bits

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=68746





--- Comment #6 from Filip Pizlo <fpizlo at apple.com>  2011-09-23 18:36:58 PST ---
It appears that this is a speed-up on a few benchmarks, presumably because previously we had corrupt liveness settings and OSR would fail spuriously.  I cannot find any other change in behavior, since any bugs arising from a corrupt OSR bitvector would be horribly annoying to track down.

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