Active items crash (debug mode, linux x64)

[bdragon28]

Somehow v->active_items is being corrupted during construction somehow.

This set of instructions worked me to reproduce consistently.

new world
new game (random char)
safemode off
walk south out of shelter (four squares south of door or so)
wish for:
welder, welding goggles, wrench, steel frame, battery x 5
reload welder
set skills to 10
spawn car
open car door and stand in doorframe
spawn 2 raw hide (fresh)
drop to adjacent tile one of them to the left and the other to the right
examine car and weld the steel frame to it. (I tested below the bottom left corner, didn't seem to matter where though)

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[bdragon28]

This was against head at the time. (205b560)

[bdragon28]

Starting to suspect compiler/libstdcxx bugs. I'm on g++ (Debian 4.7.2-5) 4.7.2 and I'm starting to doubt how well my debugging containers are working in c++11 mode.

[bdragon28]

This is the same crash as #11108 and I see in that issue they were also on 4.7 debug containers. After trying with GCC 4.9 on a different machine, I was unable to get it to crash.

[bdragon28]

Additionally, copying over the cataclysm executable from the 4.7 machine made it start crashing on the 4.9 machine.

So it appears that libstdc++ 4.7 container debugging has a bug in it that was since fixed.

[narc0tiq]

That is good to know! I have a curiosity -- does this reproduce with the latest Jenkins binary for Linux_x64/Curses? That's compiled with:

+/www/virt/dev.narc.ro/htdocs/cataclysm/mainline-build.zsh:63> ccache g++-4.7 --version
g++-4.7 (Ubuntu/Linaro 4.7.3-12ubuntu1) 4.7.3
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

-- (via http://ci.narc.ro/job/Cataclysm-Matrix/Graphics=Curses,Platform=Linux_x64/3332/console)

The C++ stdlib is lib64stdc++6-4.7-dev.deb, with matching version number.

[mugling]

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