Hi!

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?

cheers,
Derick

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