backtrace         654 ext/mysqlnd/mysqlnd_result.c 						char *backtrace = mysqlnd_get_backtrace(TSRMLS_C);
backtrace         655 ext/mysqlnd/mysqlnd_result.c 						php_log_err(backtrace TSRMLS_CC);
backtrace         656 ext/mysqlnd/mysqlnd_result.c 						efree(backtrace);
backtrace        17342 ext/sqlite3/libsqlite/sqlite3.c   extern int backtrace(void**,int);
backtrace        17582 ext/sqlite3/libsqlite/sqlite3.c       pHdr->nBacktrace = backtrace(aAddr, mem.nBacktrace+1)-1;