>> Aaah, that exactly happened to me half a year ago, on the same t_*
>> functions. And I forgot it in the meantime. Would it be sensible to
>> have dtrace which would warn you when it detects tail-call optimized
>> function ?
>
> It's certainly the case that it's never the right thing to trace arg1
> from a tail-call return probe. It would be tricky, but perhaps DTrace
> could do something to warn against this. I suggest you file a bug.

6720127 dtrace could warn user that he's tracing tail-call optimized
function

Thank you

-- 
        Vlad

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