[perl #129891] t/op/utf8decode.t failing since 2b5e7bc2e60b

# New Ticket Created by  l.mai@web.de 
# Please include the string:  [perl #129891]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=129891 >



This is a bug report for perl from l.mai@web.de,
generated with the help of perlbug 1.40 running under perl 5.25.6.


-----------------------------------------------------------------
[Please describe your issue here]

op/utf8decode.t .. 1/? # Failed test 224 - Only expected warning for 3.5.2 at op/utf8decode.t line 50
#      got "2"
# expected == "1"
# Failed test 225 - Only expected warning for 3.5.2 at op/utf8decode.t line 50
#      got 'Malformed UTF-8 character: \\xff (overflows) in unpack at op/utf8decode.t line 50, <DATA> line 163.\n'
# expected /(?^:1 byte, need 13)/
# Saw these additional warnings:
# Malformed UTF-8 character: \xff (too short; got 1 byte, need 13) in unpack at op/utf8decode.t line 50, <DATA> line 163.
# Failed test 229 - Expected first warning for 3.5.3 seen at op/utf8decode.t line 67
#      got 'Malformed UTF-8 character: \\xfe\\xfe\\xff\\xff (overflows) in unpack at op/utf8decode.t line 63, <DATA> line 163.\n'
# expected /(?^:byte 0xfe)/
# Failed test 230 - Expected number of warnings for 3.5.3 seen at op/utf8decode.t line 73
#      got "8"
# expected "5"
op/utf8decode.t .. Failed 4/710 subtests


This test has been failing for me since commit
2b5e7bc2e60b4 ("utf8n_to_uvchr(): Note multiple malformations").

Does anyone know what's up with that?

Possibly related to building on a 32-bit platform?


[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
    category=core
    severity=low
---
Site configuration information for perl 5.25.6:

Configured by mauke at Sun Oct 16 12:48:55 CEST 2016.

Summary of my perl5 (revision 5 version 25 subversion 6) configuration:
  Commit id: 877b982928bd23c44e063a6506419b9c5e214b15
  Platform:
    osname=linux
    osvers=4.7.6-1-arch
    archname=i686-linux
    uname='linux simplicio 4.7.6-1-arch #1 smp preempt fri sep 30 19:46:40 cest 2016 i686 gnulinux '
    config_args='-Dusedevel -des'
    hint=recommended
    useposix=true
    d_sigaction=define
    useithreads=undef
    usemultiplicity=undef
    use64bitint=undef
    use64bitall=undef
    uselongdouble=undef
    usemymalloc=n
    bincompat5005=undef
  Compiler:
    cc='cc'
    ccflags ='-fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64'
    optimize='-O2'
    cppflags='-fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include'
    ccversion=''
    gccversion='6.2.1 20160830'
    gccosandvers=''
    intsize=4
    longsize=4
    ptrsize=4
    doublesize=8
    byteorder=1234
    doublekind=3
    d_longlong=define
    longlongsize=8
    d_longdbl=define
    longdblsize=12
    longdblkind=3
    ivtype='long'
    ivsize=4
    nvtype='double'
    nvsize=8
    Off_t='off_t'
    lseeksize=8
    alignbytes=4
    prototype=define
  Linker and Libraries:
    ld='cc'
    ldflags =' -fstack-protector-strong -L/usr/local/lib'
    libpth=/usr/local/lib /usr/lib/gcc/i686-pc-linux-gnu/6.2.1/include-fixed /usr/lib /lib
    libs=-lpthread -lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat
    perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc
    libc=libc-2.24.so
    so=so
    useshrplib=false
    libperl=libperl.a
    gnulibc_version='2.24'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs
    dlext=so
    d_dlsymun=undef
    ccdlflags='-Wl,-E'
    cccdlflags='-fPIC'
    lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector-strong'


---
@INC for perl 5.25.6:
    lib
    /usr/local/lib/perl5/site_perl/5.25.6/i686-linux
    /usr/local/lib/perl5/site_perl/5.25.6
    /usr/local/lib/perl5/5.25.6/i686-linux
    /usr/local/lib/perl5/5.25.6

---
Environment for perl 5.25.6:
    HOME=/home/mauke
    LANG=en_US.UTF-8
    LANGUAGE=en_US
    LC_COLLATE=C
    LC_MONETARY=de_DE.UTF-8
    LC_TIME=de_DE.UTF-8
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/mauke/perl5/perlbrew/bin:/home/mauke/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl
    PERLBREW_BASHRC_VERSION=0.73
    PERLBREW_HOME=/home/mauke/.perlbrew
    PERLBREW_ROOT=/home/mauke/perl5/perlbrew
    PERL_BADLANG (unset)
    PERL_UNICODE=SAL
    SHELL=/bin/bash

• [perl #129891] t/op/utf8decode.t failing since 2b5e7bc2e60b by Karl Williamson via RT
• [perl #129891] t/op/utf8decode.t failing since 2b5e7bc2e60b by l . mai @ web . de