$ valgrind *--leak-check=full* php -n -cvalgrind-gc/php.ini valgrind-gc/bug0894-001.php
==28418== HEAP SUMMARY:
==28418== in use at exit: 2,982 bytes in 75 blocks
==28418== total heap usage: 29,680 allocs, 29,605 frees, 3,638,264 bytes allocated
==28418==
==28418== 32 bytes in 1 blocks are definitely lost in loss record 32 of 69
==28418== at 0x4C29B76: malloc (vg_replace_malloc.c:299)
==28418== by 0xA2E861: __zend_malloc (in /usr/local/php/7.0dev/bin/php)
==28418== by 0xA2DB2C: _emalloc (in /usr/local/php/7.0dev/bin/php)
==28418== by 0xF4B87A0: *???*
==28418== by 0xF4B8809: *???*
==28418== by 0xF4B9ABE: *???*
==28418== by 0xAA695B: *zend_std_get_gc* (in /usr/local/php/7.0dev/bin/php)
==28418== by 0xA92EBA: *???* (in /usr/local/php/7.0dev/bin/php)
==28418== by 0xA93268: *???* (in /usr/local/php/7.0dev/bin/php)
==28418== by 0xA94354: *zend_gc_collect_cycles* (in /usr/local/php/7.0dev/bin/php)
==28418== by 0xA7A1BE: *???* (in /usr/local/php/7.0dev/bin/php)
==28418== by 0xABC508: *???* (in /usr/local/php/7.0dev/bin/php)