[webkit-help] Odd behavior with instrumentation of WebKit
gkrichar at purdue.edu
Fri Mar 11 10:56:53 PST 2011
A patch is attached giving context. This is under a baseValue.isObject() check, and this is simply a hasOwnProperty check (not getting the value, which could call a getter, or even using prototypes), so to my knowledge this should not effect the behavior of the program in any way. This line is of course useless on its own, it's just the culprit expression I've extracted from the rest of the instrumentation.
Is there a WebKit guru who can enlighten us on this odd behavior?
The patch is against WebKit r80431, but the behavior is the same on older versions. I haven't tried newer versions simply because our branch is synchronized on a weekly basis, but I don't expect that anything relevant has changed this week.
- Gregor Richards
PS: I've sent this to the webkit-help at lists group rather than the webkit-dev at lists group since our patches really aren't relevant to send back upstream. If it makes more sense, I'll redirect this to that list.
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