ZEND_MM_CHECK_BLOCK_LINKAGE 2020 Zend/zend_alloc.c 		ZEND_MM_CHECK_BLOCK_LINKAGE(best_fit);
ZEND_MM_CHECK_BLOCK_LINKAGE 2224 Zend/zend_alloc.c 		ZEND_MM_CHECK_BLOCK_LINKAGE(next_block);