Description:
------------
This happens ~5 per day, after an upgrade from 7.2.6->7.2.11

(gdb) bt full
#0  zend_string_release (s=0x7f7d00d64d38) at /home/php/php-7.2.11/Zend/zend_string.h:289
No locals.
#1  zend_hash_destroy (ht=0xee23a0 <pcre_globals>) at /home/php/php-7.2.11/Zend/zend_hash.c:1257
        p = 0x1e90d90
        end = 0x1e92590
#2  0x00000000004e1c69 in zm_globals_dtor_pcre (pcre_globals=<optimized out>) at /home/php/php-7.2.11/ext/pcre/php_pcre.c:146
No locals.
#3  0x000000000081f2ed in module_destructor (module=module@entry=0x1c5e520) at /home/php/php-7.2.11/Zend/zend_API.c:2575
No locals.
#4  0x0000000000816f7c in module_destructor_zval (zv=<optimized out>) at /home/php/php-7.2.11/Zend/zend.c:690
        module = 0x1c5e520
#5  0x000000000082bd0a in _zend_hash_del_el_ex (prev=<optimized out>, p=<optimized out>, idx=<optimized out>, ht=<optimized out>) at /home/php/php-7.2.11/Zend/zend_hash.c:998
        tmp = {value = {lval = 29746464, dval = 1.469670594765339e-316, counted = 0x1c5e520, str = 0x1c5e520, arr = 0x1c5e520, obj = 0x1c5e520, res = 0x1c5e520, ref = 0x1c5e520, ast = 0x1c5e520,
            zv = 0x1c5e520, ptr = 0x1c5e520, ce = 0x1c5e520, func = 0x1c5e520, ww = {w1 = 29746464, w2 = 0}}, u1 = {v = {type = 17 '\021', type_flags = 0 '\000', const_flags = 0 '\000',
              reserved = 0 '\000'}, type_info = 17}, u2 = {next = 0, cache_slot = 0, lineno = 0, num_args = 0, fe_pos = 0, fe_iter_idx = 0, access_flags = 0, property_guard = 0, extra = 0}}
#6  _zend_hash_del_el (p=0x1ca83b0, idx=4, ht=0xee8640 <module_registry>) at /home/php/php-7.2.11/Zend/zend_hash.c:1021
        prev = <optimized out>
#7  zend_hash_graceful_reverse_destroy (ht=ht@entry=0xee8640 <module_registry>) at /home/php/php-7.2.11/Zend/zend_hash.c:1477
        idx = 4
        p = 0x1ca83b0
#8  0x000000000081d5cc in zend_destroy_modules () at /home/php/php-7.2.11/Zend/zend_API.c:2008
No locals.
#9  0x000000000081820e in zend_shutdown () at /home/php/php-7.2.11/Zend/zend.c:905
No locals.
#10 0x00000000007a9dc3 in php_module_shutdown () at /home/php/php-7.2.11/main/main.c:2453
No locals.
#11 0x0000000000444bd3 in main (argc=<optimized out>, argv=<optimized out>) at /home/php/php-7.2.11/sapi/fpm/fpm/fpm_main.c:2020
        exit_status = 0
        c = <optimized out>
        use_extended_info = 0
        file_handle = {handle = {fd = -1530091936, fp = 0x7ffea4cca660, stream = {handle = 0x7ffea4cca660, isatty = 893, mmap = {len = 140175124645096, pos = 140175064780160, map = 0x7f7d0cf21ff8,
                buf = 0x7f7d1062064b <do_lookup_x+2475> "\376\377\377M\205\366\017\205Q\001", old_handle = 0x37d, old_closer = 0x7f7d0cf21ff8}, reader = 0x7f7d1082c4e8, fsizer = 0x7ffea4cca5f8,
              closer = 0x7ffea4cca5f4}}, filename = 0x7f7d06802000 "( \200\006}\177", opened_path = 0x0, type = ZEND_HANDLE_FILENAME, free_filename = 0 '\000'}
        orig_optind = 1
        orig_optarg = 0x0
        ini_entries_len = <optimized out>
        max_requests = 100
        requests = <optimized out>
        fcgi_fd = <optimized out>
        request = <optimized out>
        fpm_config = 0x7ffea4ccc8ba ""
        fpm_prefix = 0x0
        fpm_pid = 0x0
        test_conf = 0
        force_daemon = -1
        force_stderr = 0
        php_information = 0
        php_allow_to_run_as_root = 0
        __func__ = "main"