[ID 20010831.001] SEGV from ($a, b) = (1, 2)

This is a bug report for perl from john@theusgroup.com,
generated with the help of perlbug 1.33 running under perl v5.6.1.


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[Please enter your report here]

Script started on Thu Aug 30 00:18:00 2001

% cat core_test.pl
#!/usr/bin/perl 
($a, b) = (1, 2);

% perl -cw core_test.pl
Unquoted string "b" may clash with future reserved word at core_test.pl line 3.
Name "main::a" used only once: possible typo at core_test.pl line 3.
Name "main::b" used only once: possible typo at core_test.pl line 3.
core_test.pl syntax OK
zsh: segmentation fault (core dumped)  perl -cw core_test.pl

% gdb /usr/bin/perl perl.core
Core was generated by `perl'.
Program terminated with signal 11, Segmentation fault.
#0  0x481d37b6 in wrtwarning ()
(gdb) bt
#0  0x481d37b6 in wrtwarning ()
#1  0x481d4673 in ifree ()
#2  0x481d492b in free ()
#3  0x480a5b45 in Perl_safefree ()
#4  0x4808b946 in Perl_op_free ()
#5  0x4808b909 in Perl_op_free ()
#6  0x4808b909 in Perl_op_free ()
#7  0x4808b909 in Perl_op_free ()
#8  0x4808b909 in Perl_op_free ()
#9  0x4808b909 in Perl_op_free ()
...
(gdb) q

%
Script done on Thu Aug 30 00:19:12 2001

[Please do not change anything below this line]
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---
Flags:
    category=core
    severity=low
---
Site configuration information for perl v5.6.1:

Configured by john at Thu May  3 02:53:35 PDT 2001.

Summary of my perl5 (revision 5.0 version 6 subversion 1) configuration:
  Platform:
    osname=bsdos, osvers=4.1, archname=i386-bsdos
    uname='bsdos theusgroup.com 4.1 bsdi bsdos 4.1 kernel #2: sat jan 13 17:20:53 pst 2001 john@theusgroup.com:localsrcsyscompilegate i386 '
    config_args='-des'
    hint=previous, useposix=true, d_sigaction=define
    usethreads=undef use5005threads=undef useithreads=undef usemultiplicity=undef
    useperlio=undef d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=undef use64bitall=undef uselongdouble=undef
  Compiler:
    cc='cc', ccflags ='-fno-strict-aliasing -I/usr/local/include',
    optimize='-O2',
    cppflags='-fno-strict-aliasing -I/usr/local/include'
    ccversion='', gccversion='egcs-2.91.66 19990314 (egcs-1.1.2 release)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=4, usemymalloc=n, prototype=define
  Linker and Libraries:
    ld='ld', ldflags =' -L/usr/X11/lib -L/usr/local/lib'
    libpth=/usr/local/lib /usr/shlib /shlib /lib /usr/lib /usr/X11/lib
    libs=-lutil -lbind -lgdbm -ldl -lm -lc
    perllibs=-lutil -lbind -ldl -lm -lc
    libc=/shlib/libc.so, so=so, useshrplib=true, libperl=libperl.so
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic -Wl,-rpath,//CORE'
    cccdlflags='-fPIC', lddlflags='-shared -x  -L/usr/X11/lib -L/usr/local/lib'

Locally applied patches:
    

---
@INC for perl v5.6.1:
    /usr/local/lib/perl5/5.6.1/i386-bsdos
    /usr/local/lib/perl5/5.6.1
    /usr/local/lib/perl5/site_perl/5.6.1/i386-bsdos
    /usr/local/lib/perl5/site_perl/5.6.1
    /usr/local/lib/perl5/site_perl/5.6.0/i386-bsdos
    /usr/local/lib/perl5/site_perl/5.6.0
    /usr/local/lib/perl5/site_perl
    .

---
Environment for perl v5.6.1:
    HOME=/usr/home/john
    LANG (unset)
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/usr/local/bin:/usr/local/X11/bin:/bin:/sbin:/usr/sbin:/usr/bin:/usr/contrib/bin:/usr/X11/bin:/usr/local/gnu/bin
    PERL_BADLANG (unset)
    SHELL=/bin/zsh

• [ID 20010831.001] SEGV from ($a, b) = (1, 2) by john
• Re: [ID 20010831.001] SEGV from ($a, b) = (1, 2) by Michael G Schwern