Smoke [blead] v5.31.4-272-gd8c930858e PASS linux5.2.7-200.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/linux/blead_clang_sanitize=undefined/logd8c930858e7fb01bcab7473e573e007d2fb9ab12.log.gz

Automated smoke report for branch blead 5.31.5 patch d8c930858e7fb01bcab7473e573e007d2fb9ab12 v5.31.4-272-gd8c930858e
vier.local: Intel(R) Core(TM) i7-3820 CPU @ 3.60GHz (GenuineIntel 3702MHz) (x86_64/1 cpu[8 cores])
    on        linux - 5.2.7-200.fc30.x86_64 [Fedora 30 (Server Edition)]
    using     clang version 4.2.1 Compatible Clang 8.0.0 (Fedora 8.0.0-1.fc30)
    smoketime 1 day 13 hours 53 minutes (average 2 hours 22 minutes)

Summary: PASS

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

v5.31.4-272-gd8c930858e  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=clang
----------- ---------------------------------------------------------
O O O O O O 
O O O O O O -Accflags=-DPERL_POISON
O O O O O O -Duse64bitall -Accflags=-DPERL_GLOBAL_STRUCT
O O O O O O -Dusemorebits -Accflags=-DPERL_GLOBAL_STRUCT_PRIVATE
O O O O O O -Duseithreads
O O O O O O -Duseithreads -Accflags=-DPERL_POISON
O O O O O O -Duseithreads -Duse64bitall -Accflags=-DPERL_GLOBAL_STRUCT
O O O O O O -Duseithreads -Dusemorebits -Accflags=-DPERL_GLOBAL_STRUCT_PRIVATE
| | | | | +- LC_ALL = en_US.utf8 -DDEBUGGING
| | | | +--- PERLIO = perlio -DDEBUGGING
| | | +----- PERLIO = stdio  -DDEBUGGING
| | +------- LC_ALL = en_US.utf8
| +--------- PERLIO = perlio
+----------- PERLIO = stdio 

Locally applied patches:
    SMOKEd8c930858e7fb01bcab7473e573e007d2fb9ab12

Compiler messages(gcc):
regcomp.c:14746:43: warning: result of comparison of constant 223 with expression of type 'char' is always false [-Wtautological-constant-out-of-range-compare]
./perl.h:3599:58: note: expanded from macro 'UNLIKELY'
./handy.h:111:24: note: expanded from macro 'cBOOL'
./perl.h:3578:62: note: expanded from macro 'EXPECT'
sv.c:12540:41: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int]
./handy.h:538:37: note: expanded from macro 'strnEQ'
sv.c:12540:41: note: use array indexing to silence this warning
pp.c:7131:21: warning: comparison of integers of different signs: 'IV' (aka 'long') and 'unsigned long' [-Wsign-compare]
pp.c:7133:46: warning: comparison of integers of different signs: 'IV' (aka 'long') and 'UV' (aka 'unsigned long') [-Wsign-compare]
pp.c:7139:40: warning: comparison of integers of different signs: 'IV' (aka 'long') and 'UV' (aka 'unsigned long') [-Wsign-compare]
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>:140:6: 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>:143:6: 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>:146:6: 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>:149:6: note: expanded from here
re_comp.c:14746:43: warning: result of comparison of constant 223 with expression of type 'char' is always false [-Wtautological-constant-out-of-range-compare]
../../perl.h:3599:58: note: expanded from macro 'UNLIKELY'
../../handy.h:111:24: note: expanded from macro 'cBOOL'
../../perl.h:3578:62: note: expanded from macro 'EXPECT'

Non-Fatal messages(gcc):

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

• Smoke [blead] v5.31.4-272-gd8c930858e PASS linux5.2.7-200.fc30.x86_64 [Fedora 30 (x86_64/1 cpu[8 cores]){blead_clang_sanitize=undefined} by George Greer