PHP_HAVE_BUILTIN_CTZLL  515 Zend/zend_alloc.c #elif (defined(__GNUC__) || __has_builtin(__builtin_ctzll)) && defined(PHP_HAVE_BUILTIN_CTZLL)
PHP_HAVE_BUILTIN_CTZLL  554 Zend/zend_alloc.c #elif (defined(__GNUC__) || __has_builtin(__builtin_ctzll)) && defined(PHP_HAVE_BUILTIN_CTZLL)