https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79647
--- Comment #5 from Bernd Edlinger <bernd.edlinger at hotmail dot de> --- When I tried to limit the memory allocation to reasonable size, I triggered the warning again, with this modified check: @@ -1393,6 +1393,12 @@ int speed_main(int argc, char **argv) prog); goto opterr; } + if (async_jobs < 0 || async_jobs > 99999) { + BIO_printf(bio_err, + "%s: too many async_jobs\n", + prog); + goto opterr; + } #endif break; case OPT_MISALIGN: Why is it not clear that async_jobs can't be negative?