[Webkit-unassigned] [Bug 40367] Math Javascript Bug on Safari 5 (webkit 533.16) under "32bit" mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=40367





--- Comment #8 from Oliver Hunt <oliver at apple.com>  2010-06-10 20:02:29 PST ---
(In reply to comment #1)
> Actually changing it to 30 bits as mentioned above has other multiplication/subtraction issues, so it is not a fix.

Also it was papering over the issue -- basically the issue is that a right shift of a value that is internally stored as a double fails to correctly set the integer flag on the internal value at the end of the shift.  A few work arounds are possible but it depends on exactly what's happening.

If the issue is specifically an expression of the form
a >> n | 0

My question is what range of values do you expect a to have?

(a | 0) >> n

Should produce the desired result (if my understanding of what you're trying to do is correct)

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