There is no such flag now. Sorry.

--
Vyacheslav Egorov


On Tue, Jul 31, 2012 at 6:56 PM, Sławek Janecki <jane...@gmail.com> wrote:
> Anyone? Is there a flag in new V8 that tells me, why my function wont be
> optimized?
> In previous V8 versions optimizer will try to optimize and bailout when
> nessesery (giving me bailout info).
> I want to know WHY my function will not be optimized at all.
>
> Thanks
>
>
> On Sunday, July 29, 2012 2:09:34 AM UTC+2, Sławek Janecki wrote:
>>
>> Using Node.js up to version  0.7.6 (v8 3.9.17) when I use --trace-bailout
>> flag i have output as expected (bailouts info)
>>
>> Using Node from version 0.7.7 (v8 3.9.24.7) up to latest release 0.8.4
>> --trace-bailout don't show any info.
>>
>> I've tried simple scripts with try/catch and 'with' (100% bailouts)
>>
>> Tracing hydrogen output on both node/v8 (0.7.6 and 0.7.7) versions tells
>> that my test function (with try/catch and 'with') is'nt optimized (it's
>> bailing-out) but I don't see any info on node >= 0.7.7
>>
>> Something changed? In V8 sources bailout flag is in place.
>> Do I need to turn other flag on to get bailouts or this is a bug?
>>
>> Thanks
>
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> v8-users@googlegroups.com
> http://groups.google.com/group/v8-users

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