This now errors on undefined behavior instead of warning. Smoke logs available at http://m-l.org/~perl/smoke/perl/x86_64-linux-thread-multi/blead_clang_quick_sanitize=undefined/log86e7b6187ab846b0bfdab1d5d58e1cec5182cedd.log.gz Automated smoke report for branch blead 5.37.11 patch 86e7b6187ab846b0bfdab1d5d58e1cec5182cedd v5.37.10-64-g86e7b6187a vier.local: Intel(R) Xeon(R) CPU E5-1620 0 @ 3.60GHz (GenuineIntel 4549MHz) (x86_64/1 cpu[8 cores]) on linux - 5.18.18-200.fc36.x86_64 [Fedora Linux 37] using ccache clang version Clang 15.0.7 (Fedora 15.0.7-2.fc37) smoketime 1 hour 51 minutes (average 27 minutes 45 seconds) Summary: FAIL(F) O = OK F = Failure(s), extended report at the bottom X = Failure(s) under TEST but not under harness ? = still running or test results not (yet) available Build failures during: - = unknown or N/A c = Configure, m = make, M = make (after miniperl), t = make test-prep v5.37.10-64-g86e7b6187a Configuration (common) -Accflags="-g -fno-omit-frame-pointer -fno-sanitize-recover=undefined -fsanitize-blacklist=`pwd`/asan_ignore" -Aldflags="-fno-sanitize-recover=undefined" -Dcc="ccache clang" ----------- --------------------------------------------------------- F O O O -Duseithreads | +--------- -DDEBUGGING +----------- no debugging Testsuite was run only with 'harness' and HARNESS_OPTIONS=j4 Failures: (common-args) -Accflags="-g -fno-omit-frame-pointer -fno-sanitize-recover=undefined -fsanitize-blacklist=`pwd`/asan_ignore" -Aldflags="-fno-sanitize-recover=undefined" -Dcc="ccache clang" [default] ../cpan/Pod-Simple/t/JustPod_corpus.t.......................FAILED Non-zero exit status: 2 Bad plan. You planned 20 tests but ran 0. MANIFEST did not declare '.mailmap' (See log because mailing list size limit is too small.) Non-Fatal messages(gcc): -- Report by Test::Smoke v1.72 running on perl 5.36.0 (Reporter v0.053 / Smoker v0.046)