Hi Flavius,

Unfortunately, the proposed fix is wrong.
It changes the operators precedence and it's definitely wrong.
I suppose the crash caused by side effect of some other bug.

Try to run the same script with valgrind.

Thanks. Dmitry.


On 09/11/2011 02:27 PM, Flavius Aspra wrote:
Hi

I think I've found a bug in the engine, and I think it occures only with
the latest gcc ("gcc version 4.6.1 20110819 (prerelease)"), since it
used to work with earlier versions.

For example line 867
http://lxr.php.net/opengrok/xref/PHP_5_3/Zend/zend_execute_API.c#867
should be

&& PZVAL_IS_REF((*fci->params)[i])) {

that's what has worked for me at least. Otherwise it ends with a segfault.

It may also be gcc breaking BC. So I'm not sure whose "fault" it is, but
I think [] takes precedence over * in the C specification.

Could someone please verify this issue?

Regards,
Flavius


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