Smoke [blead] v5.31.8-68-g028611faa4 FAIL(X) linux5.3.12-200.fc30.x86_64 [Fedora 30] (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/log028611faa42c95e8e0d93cda0301349939476d04.log.gz

Automated smoke report for branch blead 5.31.9 patch 028611faa42c95e8e0d93cda0301349939476d04 v5.31.8-68-g028611faa4
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 30]
    using     ccache clang version 4.2.1 Compatible Clang 8.0.0 (Fedora 8.00-3.fc30)
    smoketime 2 days 10 hours 50 minutes (average 3 hours 40 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

v5.31.8-68-g028611faa4  Configuration (common) -Accflags="-Werror=declaration-after-statement -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 

Locally applied patches:
    SMOKE028611faa42c95e8e0d93cda0301349939476d04

Failures: (common-args) -Accflags="-Werror=declaration-after-statement -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):
    ../t/re/pat_advanced.t.................. ............................................. FAILED--no leader found

Compiler messages(gcc):
sv.c:12542:41: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int]
./handy.h:545:37: note: expanded from macro 'strnEQ'
sv.c:12542:41: note: use array indexing to silence this warning
RealPPPort.c:4932:6: warning: unused variable 'offset' [-Wunused-variable]
RealPPPort.c:5638:6: warning: unused variable 'offset' [-Wunused-variable]
Encode.c:1356:5: warning: unused variable 'ix' [-Wunused-variable]
../../XSUB.h:185:20: note: expanded from macro 'dXSI32'
Encode.c:1398:5: warning: unused variable 'ix' [-Wunused-variable]
./const-xs.inc:131:42: warning: AI_IDN_ALLOW_UNASSIGNED is deprecated [-W#pragma-messages]
/usr/include/netdb.h:609:3: note: expanded from macro 'AI_IDN_ALLOW_UNASSIGNED'
/usr/include/sys/cdefs.h:503:3: note: expanded from macro '__glibc_macro_warning'
/usr/include/sys/cdefs.h:501:42: note: expanded from macro '__glibc_macro_warning1'
<scratch space>:177:6: note: expanded from here
./const-xs.inc:134:46: warning: AI_IDN_USE_STD3_ASCII_RULES is deprecated [-W#pragma-messages]
/usr/include/netdb.h:611:3: note: expanded from macro 'AI_IDN_USE_STD3_ASCII_RULES'
<scratch space>:180:6: note: expanded from here
./const-xs.inc:386:42: warning: NI_IDN_ALLOW_UNASSIGNED is deprecated [-W#pragma-messages]
/usr/include/netdb.h:650:3: note: expanded from macro 'NI_IDN_ALLOW_UNASSIGNED'
<scratch space>:183:6: note: expanded from here
./const-xs.inc:389:46: warning: NI_IDN_USE_STD3_ASCII_RULES is deprecated [-W#pragma-messages]
/usr/include/netdb.h:652:3: note: expanded from macro 'NI_IDN_USE_STD3_ASCII_RULES'
<scratch space>:186:6: note: expanded from here
<scratch space>:68:6: note: expanded from here
<scratch space>:71:6: note: expanded from here
<scratch space>:74:6: note: expanded from here
<scratch space>:77:6: note: expanded from here
<scratch space>:157:6: note: expanded from here
<scratch space>:160:6: note: expanded from here
<scratch space>:163:6: note: expanded from here
<scratch space>:166:6: note: expanded from here
<scratch space>:56:6: note: expanded from here
<scratch space>:59:6: note: expanded from here
<scratch space>:62:6: note: expanded from here
<scratch space>:65:6: note: expanded from here

Non-Fatal messages(gcc):

-- 
Report by Test::Smoke v1.72 running on perl 5.28.2
(Reporter v0.053 / Smoker v0.046)

• Smoke [blead] v5.31.8-68-g028611faa4 FAIL(X) linux5.3.12-200.fc30.x86_64 [Fedora 30] (x86_64/1 cpu[8 cores]){blead_clang_sanitize=undefined} by George Greer