[Bug varobj/15166] New: varobj.c:3871: internal-error: cplus_describe_child: Assertion `access' failed.

[Bug varobj/15166] New: varobj.c:3871: internal-error: cplus_describe_child: Assertion `access' failed.

[genpfault at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15166

             Bug #: 15166
           Summary: varobj.c:3871: internal-error: cplus_describe_child:
                    Assertion `access' failed.
           Product: gdb
           Version: 7.5
            Status: NEW
          Severity: normal
          Priority: P2
         Component: varobj
        AssignedTo: unassigned@sourceware.org
        ReportedBy: genpfault@gmail.com
    Classification: Unclassified


Created attachment 6884
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6884
Test program

Trying to use the Python pretty-printers on a std::map causes gdb to error out
with:

varobj.c:3871: internal-error: cplus_describe_child: Assertion `access' failed.

Environment/test sequence:

Running up-to-date Debian Wheezy (amd64).

$ uname -a:
Linux genpfault 3.2.0-4-amd64 #1 SMP Debian 3.2.35-2 x86_64 GNU/Linux

$ gdb
GNU gdb (GDB) 7.5.50.20130219
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.

$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.7/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.7.2-5'
--with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs
--enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.7 --enable-shared --enable-linker-build-id
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.7
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object
--enable-plugin --enable-objc-gc --with-arch-32=i586 --with-tune=generic
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 4.7.2 (Debian 4.7.2-5) 

# main.cpp is attached.
# Distro-shipped pretty-printers used by script.txt are attached.
# output.txt is attached.
$ g++ -g main.cpp -o main
$ gdb -nx --interpreter=mi2 ./main < script.txt > output.txt

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[Bug varobj/15166] varobj.c:3871: internal-error: cplus_describe_child: Assertion `access' failed.

[genpfault at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15166

--- Comment #1 from Charles Huber <genpfault at gmail dot com> 2013-02-21 03:46:55 UTC ---
Created attachment 6885
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6885
gdb script that triggers the error

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[Bug varobj/15166] varobj.c:3871: internal-error: cplus_describe_child: Assertion `access' failed.

[genpfault at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15166

--- Comment #2 from Charles Huber <genpfault at gmail dot com> 2013-02-21 03:47:55 UTC ---
Created attachment 6886
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6886
Distro-supplied Python pretty-printers used by script.txt

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[Bug varobj/15166] varobj.c:3871: internal-error: cplus_describe_child: Assertion `access' failed.

[genpfault at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15166

--- Comment #3 from Charles Huber <genpfault at gmail dot com> 2013-02-21 03:48:41 UTC ---
Created attachment 6887
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6887
GDB output from running script.txt

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[Bug varobj/15166] varobj.c:3871: internal-error: cplus_describe_child: Assertion `access' failed.

[genpfault at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15166

Charles Huber <genpfault at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |genpfault at gmail dot com

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[Bug varobj/15166] varobj.c:3871: internal-error: cplus_describe_child: Assertion `access' failed.

[genpfault at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15166

--- Comment #4 from Charles Huber <genpfault at gmail dot com> 2013-03-16 06:05:06 UTC ---
Still occurs with the current 7.6 weekly tarball:

ftp://sourceware.org/pub/gdb/snapshots/current/gdb-7.6.50.20130316.tar.bz2

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[Bug varobj/15166] varobj.c:3871: internal-error: cplus_describe_child: Assertion `access' failed.

[genpfault at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15166

Charles Huber <genpfault at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|7.5                         |7.6

--- Comment #5 from Charles Huber <genpfault at gmail dot com> ---
Still occurs with the current 7.6 release tarball:
http://ftp.gnu.org/gnu/gdb/gdb-7.6.tar.bz2

and the most recent weekly CVS snapshot:
ftp://sourceware.org/pub/gdb/snapshots/current/gdb-weekly-CVS-7.6.50.20130618.tar.bz2

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[Bug varobj/15166] varobj.c:3871: internal-error: cplus_describe_child: Assertion `access' failed.

[ssbssa at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=15166

Hannes Domani <ssbssa at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |red.skotina at gmail dot com

--- Comment #6 from Hannes Domani <ssbssa at sourceware dot org> ---
*** Bug 18332 has been marked as a duplicate of this bug. ***

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