[Webkit-unassigned] [Bug 19076] SquirrelFish: RegisterFile can be corrupted if implictly reenter global scope with no declared vars

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu May 15 12:46:36 PDT 2008


http://bugs.webkit.org/show_bug.cgi?id=19076





------- Comment #5 from oliver at apple.com  2008-05-15 12:46 PDT -------
(In reply to comment #4)
> (From update of attachment 21161 [edit])
> It's a little squirrely to have a variable named "m_thisRegister" that's only
> valid if we happen to be compiling program code.
> 
> I'd recommend setting m_thisRegister when compiling function code and eval code
> as well. Then, "thisRegister()" can always return m_thisRegister, which makes a
> lot more sense.
> 
> Eventually, we'll won't put "this" in the symbol table at all.
> 
> r=me
> 

I agree, but that cost of retrieving the this register for function/evalnode
codegenerator was a regression -- but that was before we rolled out the patch
o' badness


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