[16.25] Crash loading 0.15 map in 0.16

[mrvn]

71.622 Error CrashHandler.cpp:476: Received SIGSEGV
Factorio crashed. Generating symbolized stacktrace, please wait ...
#0 0x00000000008e58bc in CrashHandler::writeStackTrace(CrashHandler::CrashReason) at /tmp/factorio-build-LCgJem/src/Util/CrashHandler.cpp:155
#1 0x00000000008e5d10 in CrashHandler::commonSignalHandler(int) at /tmp/factorio-build-LCgJem/src/Util/CrashHandler.cpp:479
#2 0x00000000008e5d49 in CrashHandler::SignalHandler(int) at /tmp/factorio-build-LCgJem/src/Util/CrashHandler.cpp:493
#3 0x0000000000033030 in ?? at ??:0
#4 0x00007fbc00000905 in ?? at ??:0
79.239 Error CrashHandler.cpp:156: Map tick at moment of crash: 24525163
79.240 Error Util.cpp:67: Unexpected error occurred. If you're running the latest version of the game you can help us solve the problem by posting the contents of the log file on the Factorio forums.
Please also include the save file(s), any mods you may be using, and any steps you know of to reproduce the crash.

[posila]

Thanks for the report.
Fixed for 0.16.26