On Wed, 21 Oct 2015, Dmitry Stogov wrote:
>
> On Oct 20, 2015 6:11 PM, "Xinchen Hui" <larue...@php.net> wrote:
> 
> > On Tue, Oct 20, 2015 at 10:45 PM, Derick Rethans <der...@php.net> wrote:
> >
> >> When hacking on Xdebug for PHP 7, I ran into some issues where PHP 
> >> would just spin around. This happens when there is an exception, 
> >> and I use overloaded opcodes. I wrote a small example extension at 
> >> https://github.com/derickr/php-minimal-opcode-overloading-example 
> >> with a test case ( 
> >> https://github.com/derickr/php-minimal-opcode-overloading-example/blob/master/tests/test.php
> >>  
> >> ) that shows that something is looping in executing opcodes, as the 
> >> HANDLE_EXCEPTION iirc doesn't advance to the next opline. I believe 
> >> this is a recent enough change, as it only started happening after 
> >> I upgraded from about RC1 to latest master.
> >>
> >> Would you care to have a look?
> >>
> > This is introduced by a fix made by Bob, 
> > https://github.com/php/php-src/commit/808f62bb
> >
> > Bob, I am going to revert this for now, since you didn't include a 
> > test script to show where the problem was, I am not sure why you 
> > made this?
>
> I think, we discussed that patch with Bob, and it looked right. May be 
> we missed some edge case...
> 
> It's not possible to write a test case for it.

I just did ;-) It requires loading this extension though!

In any case, it is causing a bug, and one that ought to be adressed 
before the next RC.

cheers,
Derick


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