Smoke [blead] v5.35.10-53-gbf80053f18 FAIL(X) linux5.3.12-200.fc30.x86_64 [Fedora 34] (x86_64/1 cpu[8 cores]){blead_clang_sanitize=undefined}

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_sanitize=undefined/logbf80053f189e172110d3794613b6c556b04020e7.log.gz

Automated smoke report for branch blead 5.35.11 patch bf80053f189e172110d3794613b6c556b04020e7 v5.35.10-53-gbf80053f18
vier.local: Intel(R) Core(TM) i7-3820 CPU @ 3.60GHz (GenuineIntel 3702MHz) (x86_64/1 cpu[8 cores])
    on        linux - 5.3.12-200.fc30.x86_64 [Fedora 34]
    using     ccache clang version Clang 12.0.1 (Fedora 12.0.1-1.fc34)
    smoketime 1 day 5 hours 25 minutes (average 1 hour 50 minutes)

Summary: FAIL(X)

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

v5.35.10-53-gbf80053f18  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 O O O O -Accflags=-DNO_MATHOMS
O O O O O O -Accflags=-DPERL_POISON
O O O X O O -Duse64bitall
O O O O O O -Dusemorebits
O O O O O O -Duseithreads -Accflags=-DNO_MATHOMS
O O O O O O -Duseithreads -Accflags=-DPERL_POISON
O O O O O O -Duseithreads -Duse64bitall
O O O O O O -Duseithreads -Dusemorebits
| | | | | +- LC_ALL = en_US.utf8 -DDEBUGGING
| | | | +--- PERLIO = perlio -DDEBUGGING
| | | +----- PERLIO = stdio  -DDEBUGGING
| | +------- LC_ALL = en_US.utf8
| +--------- PERLIO = perlio
+----------- PERLIO = stdio 

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"
[stdio] -DDEBUGGING -Duse64bitall
Inconsistent test results (between TEST and harness):
    ../cpan/IO-Socket-IP/t/16v6only.t....... .................................... FAILED at test 2

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 5.32.1
(Reporter v0.053 / Smoker v0.046)

• Smoke [blead] v5.35.10-53-gbf80053f18 FAIL(X) linux5.3.12-200.fc30.x86_64 [Fedora 34] (x86_64/1 cpu[8 cores]){blead_clang_sanitize=undefined} by George Greer