Updated to build 8732 and the latest version of the tileset I was using, and it no longer crashes.
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The game consistently crashes when I try to go up the stairs to the third floor of a Reseach Laboratory, build 8729
You can find the savegame at: https://drive.google.com/open?id=1kTI5lxNcf1stL1-jT709BY4sUyqnd0Kb
Crash.log says:
CRASH LOG FILE: config/crash.log VERSION: 0.D-1443-gac73a97 TYPE: Signal MESSAGE: SIGSEGV: Segmentation fault STACK TRACE: @0x557FD5[cataclysm-tiles.exe+0x157FD5] @0x558B82[cataclysm-tiles.exe+0x158B82] SMPEG_error+0x4B034@0xE3B2E0[cataclysm-tiles.exe+0xA3B2E0] _C_specific_handler+0x98@0x7FF94FC68068[msvcrt.dll+0x28068] _chkstk+0x11F@0x7FF950E0468F[ntdll.dll+0xA468F] RtlWalkFrameChain+0x14BF@0x7FF950D64BEF[ntdll.dll+0x4BEF] KiUserExceptionDispatcher+0x2E@0x7FF950E033FE[ntdll.dll+0xA33FE] SDL_LogCritical+0x12FD6@0xE5BBB6[cataclysm-tiles.exe+0xA5BBB6] IMG_LoadWEBP_RW+0x27D050@0x11AA1A0[cataclysm-tiles.exe+0xDAA1A0] @0x4B8D20[cataclysm-tiles.exe+0xB8D20] @0xC6D7C9[cataclysm-tiles.exe+0x86D7C9] initterm_e+0x1BB@0x7FF94FC7A89B[msvcrt.dll+0x3A89B] @0x558AC6[cataclysm-tiles.exe+0x158AC6] IMG_LoadWEBP_RW+0x18B9E8@0x10B8B38[cataclysm-tiles.exe+0xCB8B38] IMG_LoadWEBP_RW+0x4A8073@0x13D51C3[cataclysm-tiles.exe+0xFD51C3] IMG_LoadWEBP_RW+0x4AD4A0@0x13DA5F0[cataclysm-tiles.exe+0xFDA5F0] @0x9A640A[cataclysm-tiles.exe+0x5A640A] @0x9A7578[cataclysm-tiles.exe+0x5A7578] @0x684171[cataclysm-tiles.exe+0x284171] @0x6863A7[cataclysm-tiles.exe+0x2863A7] IMG_LoadWEBP_RW+0x4DDFB9@0x140B109[cataclysm-tiles.exe+0x100B109] @0x4013ED[cataclysm-tiles.exe+0x13ED] @0x4014FB[cataclysm-tiles.exe+0x14FB] BaseThreadInitThunk+0x14@0x7FF9507981F4[KERNEL32.DLL+0x181F4] RtlUserThreadStart+0x21@0x7FF950DCA251[ntdll.dll+0x6A251]