[New Thread 0x7ffff5cfa700 (LWP 5283)]
object(Test)#1 (4) {
  ["string"]=>
  string(11) "dlrow olleh"
  ["array"]=>
  array(3) {
    [0]=>
    int(1)
    [1]=>
    int(2)
    [2]=>
    int(3)
  }
  ["pstring"]=>
  string(11) "world hello"
  ["parray"]=>
  array(3) {
    [0]=>
    int(3)
    [1]=>
    int(2)
    [2]=>
    int(1)
  }
}
php: /usr/src/php-src/Zend/zend_gc.c:226: gc_possible_root: Assertion `((zend_refcounted*)(ref))->u.v.type == 7 || ((zend_refcounted*)(ref))->u.v.type == 8' failed.

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x7ffff5cfa700 (LWP 5283)]
0x00007ffff6b89cc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56      ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) back
#0  0x00007ffff6b89cc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff6b8d0d8 in __GI_abort () at abort.c:89
#2  0x00007ffff6b82b86 in __assert_fail_base (fmt=0x7ffff6cd3830 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0xa15de8 "((zend_refcounted*)(ref))->u.v.type == 7 || ((zend_refcounted*)(ref))->u.v.type == 8",
    file=file@entry=0xa15dc8 "/usr/src/php-src/Zend/zend_gc.c", line=line@entry=226, function=function@entry=0xa15f60 <__PRETTY_FUNCTION__.10166> "gc_possible_root") at assert.c:92
#3  0x00007ffff6b82c32 in __GI___assert_fail (assertion=0xa15de8 "((zend_refcounted*)(ref))->u.v.type == 7 || ((zend_refcounted*)(ref))->u.v.type == 8", file=0xa15dc8 "/usr/src/php-src/Zend/zend_gc.c", line=226,
    function=0xa15f60 <__PRETTY_FUNCTION__.10166> "gc_possible_root") at assert.c:101
#4  0x00000000007c7254 in gc_possible_root (ref=0x7ffff5cfa700) at /usr/src/php-src/Zend/zend_gc.c:226
#5  0x00000000007da307 in gc_check_possible_root (z=0x7ffff5272038) at /usr/src/php-src/Zend/zend_gc.h:136
#6  0x00000000007da365 in i_zval_ptr_dtor (zval_ptr=0x7ffff5272038, __zend_filename=0xa17bd0 "/usr/src/php-src/Zend/zend_objects.c", __zend_lineno=68) at /usr/src/php-src/Zend/zend_variables.h:59
#7  0x00000000007da5b9 in zend_object_std_dtor (object=0x7ffff5272000) at /usr/src/php-src/Zend/zend_objects.c:68
#8  0x00007ffff5d14938 in pthreads_base_free (object=0x7ffff5272000) at /usr/src/pthreads/src/object.c:443
#9  0x00000000007e18fc in zend_objects_store_del (object=0x7ffff5272000) at /usr/src/php-src/Zend/zend_objects_API.c:181
#10 0x000000000078e27f in _zval_dtor_func_for_ptr (p=0x7ffff5272000, __zend_filename=0x7ffff5d180b0 "/usr/src/pthreads/src/object.c", __zend_lineno=816) at /usr/src/php-src/Zend/zend_variables.c:108
#11 0x00007ffff5d138f5 in _zval_ptr_dtor_nogc (zval_ptr=0x7ffff0036188, __zend_filename=0x7ffff5d180b0 "/usr/src/pthreads/src/object.c", __zend_lineno=816) at /usr/include/php/Zend/zend_variables.h:49
#12 0x00007ffff5d15b27 in pthreads_routine (arg=0x7ffff66782a0) at /usr/src/pthreads/src/object.c:816
#13 0x00007ffff6f20182 in start_thread (arg=0x7ffff5cfa700) at pthread_create.c:312
#14 0x00007ffff6c4d47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) frame 6
#6  0x00000000007da365 in i_zval_ptr_dtor (zval_ptr=0x7ffff5272038, __zend_filename=0xa17bd0 "/usr/src/php-src/Zend/zend_objects.c", __zend_lineno=68) at /usr/src/php-src/Zend/zend_variables.h:59
59                              GC_ZVAL_CHECK_POSSIBLE_ROOT(zval_ptr);
(gdb) list
54      {
55              if (Z_REFCOUNTED_P(zval_ptr)) {
56                      if (!Z_DELREF_P(zval_ptr)) {
57                              _zval_dtor_func_for_ptr(Z_COUNTED_P(zval_ptr) ZEND_FILE_LINE_RELAY_CC);
58                      } else {
59                              GC_ZVAL_CHECK_POSSIBLE_ROOT(zval_ptr);
60                      }
61              }
62      }
63
(gdb) frame 7
#7  0x00000000007da5b9 in zend_object_std_dtor (object=0x7ffff5272000) at /usr/src/php-src/Zend/zend_objects.c:68
warning: Source file is more recent than executable.
68                              i_zval_ptr_dtor(p ZEND_FILE_LINE_CC);
(gdb) list
63              }
64              p = object->properties_table;
65              if (EXPECTED(object->ce->default_properties_count)) {
66                      end = p + object->ce->default_properties_count;
67                      do {
68                              i_zval_ptr_dtor(p ZEND_FILE_LINE_CC);
69                              p++;
70                      } while (p != end);
71              }
72              if (UNEXPECTED(GC_FLAGS(object) & IS_OBJ_HAS_GUARDS)) {