[perl #116088] Bleadperl v5.16.0-83-g9cbd5ca breaks GFUJI/Data-Util-0.60.tar.gz

# New Ticket Created by  (Andreas J. Koenig) 
# Please include the string:  [perl #116088]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=116088 >


git bisect
----------
commit 9cbd5ca32e06d6687365340d15ef70b749018da7
Author: Father Chrysostomos <sprout@cpan.org>
Date:   Fri May 18 13:46:59 2012 -0700

    Make @ISA changes update overloadedness

sample fail report
------------------
http://www.cpantesters.org/cpan/report/836f8822-23c9-11e2-87e3-bc456dc38d47

I could reproduce the SEGV on test t/01_refs.t and got this stack trace:

Program terminated with signal 11, Segmentation fault.
#0  0x00002b70859162bd in my_has_amagic_converter (my_perl=0xb94010,
    t=T_NOT_REF, sv=<optimized out>, sv=<optimized out>) at DataUtil.xs:184
184             amt = (AMT*)mg_find((SV*)SvSTASH(SvRV(sv)), PERL_MAGIC_overload_table)->mg_ptr;
(gdb) bt
#0  0x00002b70859162bd in my_has_amagic_converter (my_perl=0xb94010,
    t=T_NOT_REF, sv=<optimized out>, sv=<optimized out>) at DataUtil.xs:184
#1  0x00002b7085916318 in my_has_amagic_converter (t=<optimized out>,
    my_perl=<optimized out>, sv=<optimized out>) at DataUtil.c:1740
#2  my_check_type (my_perl=my_perl@entry=0xb94010, sv=sv@entry=0xe63358,
    t=<optimized out>) at DataUtil.xs:223
#3  0x00002b708591642a in XS_Data__Util_is_scalar_ref (my_perl=0xb94010,
    cv=<optimized out>) at DataUtil.xs:756
#4  0x00000000004a7412 in Perl_pp_entersub (my_perl=0xb94010) at pp_hot.c:2773
#5  0x000000000049fb06 in Perl_runops_standard (my_perl=0xb94010) at run.c:41
#6  0x000000000043cdd2 in S_run_body (oldscope=1, my_perl=0xb94010)
    at perl.c:2402
#7  perl_run (my_perl=0xb94010) at perl.c:2320
#8  0x000000000041eb63 in main (argc=2, argv=0x7fff2d8cf858,
    env=0x7fff2d8cf870) at perlmain.c:120

perl -V
-------
Summary of my perl5 (revision 5 version 17 subversion 0) configuration:
  Commit id: 9cbd5ca32e06d6687365340d15ef70b749018da7
  Platform:
    osname=linux, osvers=3.2.0-4-amd64, archname=x86_64-linux-thread-multi
    uname='linux k83 3.2.0-4-amd64 #1 smp debian 3.2.35-1 x86_64 gnulinux '
    config_args='-Dprefix=/home/src/perl/repoperls/installed-perls/perl/v5.16.0-83-g9cbd5ca/9980 -Dmyhostname=k83 -Dinstallusrbinperl=n -Uversiononly -Dusedevel -des -Ui_db -Duseithreads -Uuselongdouble -DDEBUGGING=-g'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=define, usemultiplicity=define
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=define, use64bitall=define, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O2 -g',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
    ccversion='', gccversion='4.7.2', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -fstack-protector -L/usr/local/lib'
    libpth=/usr/local/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib /usr/lib
    libs=-lnsl -ldb -ldl -lm -lcrypt -lutil -lpthread -lc
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lpthread -lc
    libc=, so=so, useshrplib=false, libperl=libperl.a
    gnulibc_version='2.13'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -O2 -g -L/usr/local/lib -fstack-protector'


Characteristics of this binary (from libperl): 
  Compile-time options: HAS_TIMES MULTIPLICITY PERLIO_LAYERS
                        PERL_DONT_CREATE_GVSV PERL_IMPLICIT_CONTEXT
                        PERL_MALLOC_WRAP PERL_PRESERVE_IVUV PERL_USE_DEVEL
                        USE_64_BIT_ALL USE_64_BIT_INT USE_ITHREADS
                        USE_LARGE_FILES USE_LOCALE USE_LOCALE_COLLATE
                        USE_LOCALE_CTYPE USE_LOCALE_NUMERIC USE_PERLIO
                        USE_PERL_ATOF USE_REENTRANT_API
  Built under linux
  Compiled at Dec 13 2012 11:33:17
  @INC:
    /home/src/perl/repoperls/installed-perls/perl/v5.16.0-83-g9cbd5ca/9980/lib/site_perl/5.17.0/x86_64-linux-thread-multi
    /home/src/perl/repoperls/installed-perls/perl/v5.16.0-83-g9cbd5ca/9980/lib/site_perl/5.17.0
    /home/src/perl/repoperls/installed-perls/perl/v5.16.0-83-g9cbd5ca/9980/lib/5.17.0/x86_64-linux-thread-multi
    /home/src/perl/repoperls/installed-perls/perl/v5.16.0-83-g9cbd5ca/9980/lib/5.17.0
    .

-- 
andreas

• [perl #116088] Bleadperl v5.16.0-83-g9cbd5ca breaks GFUJI/Data-Util-0.60.tar.gz by perlbug-followup