MAME debugger crashes on Mac

Occasionally, I run into a problem where I’ve somehow corrupted my MAME state (usually from unclean exits) and the debugger crashes on a segmentation fault while trying to open it. This seems to happen more often when the memory viewer is open. The crash report states that the final function called is handler_entry_read_memory_bank<0, 0>::read(unsigned int, unsigned char) , so that may well be…