Attached is a patch for zend_execute.c which will fall to read_property if get_property_ptr_ptr returns NULL in zend_fetch_property_address_inner. Hopefully this is the correct fix as it didnt break any tests and resolves the issue I hit.
It's not a correct fix :I get_ptr_ptr must return the address of an allocated zval *, one which can later be separated, etc. T(result->u.var).var.ptr doesn't fall into that category - it can be gone in the next opcode...
The only safe way to return a zval ** is for the underlying object model to implement get_ptr_ptr...
Zeev
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