[0.9.1] Segfault at research screen

[mr_maxwell]

Steps to reproduce:

Load attached save game. You will be on station inside train. Wait for toolbelt research to complete, select logistic systems tech. Then hover provider and storage chests. Game will show tooltip for first hovered chest but crash on second.

Core file also attached (run `gdb ./factorio -c segfault-in-train.core`, look for line starting with "Program terminated with signal SIGSEGV").

Factorio version:

Code: Select all

Version: 0.9.1 (Build 9056, linux64)
Binary version: 64
Map input version: 0.5.0-0
Map output version: 0.9.1-5

System version:

Code: Select all

Linux localhost 3.12.6-1-ARCH #1 SMP PREEMPT Fri Dec 20 19:39:00 CET 2013 x86_64 GNU/Linux

Saved game: https://www.dropbox.com/s/khfmt1gpnor3i ... -found.zip
Compressed core file: https://www.dropbox.com/s/0qwdohvg77o97 ... in.core.xz (can be uncompressed with `unxz segfault-in-train.core.xz`)

[cube]

Thanks, this is fixed for 0.9.2