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/log06d92f00e810ad2f12b8fb9c1adf0d22765d6ccc.log.gz Automated smoke report for branch blead 5.37.6 patch 06d92f00e810ad2f12b8fb9c1adf0d22765d6ccc v5.37.4-229-g06d92f00e8 vier.local: Intel(R) Core(TM) i7-3820 CPU @ 3.60GHz (GenuineIntel 3702MHz) (x86_64/1 cpu[8 cores]) on linux - 5.18.18-200.fc36.x86_64 [Fedora Linux 36] using ccache clang version Clang 14.0.5 (Fedora 14.0.5-1.fc36) smoketime 2 hours 24 minutes (average 36 minutes 9 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 v5.37.4-229-g06d92f00e8 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" ----------- --------------------------------------------------------- O O F 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] -Duseithreads ../dist/Tie-File/t/29a_upcopy.t.............................FAILED 55 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 5.34.1 (Reporter v0.053 / Smoker v0.046)