"Unreproduceable" crashes in 1.5.5rc1

[DanielGibson]

From Randy on Discord

• Using dh3dhp
• "I had 2 unreproduceable crashes this run, both times when automatically switching to another weapon when I fired my last round"
• no message when it crashed, "just a half second of the weapon fire sound effect stretched out several seconds"
• "I just remembered something, only the first crash happened when auto switching weapons when I ran out of plasmagun ammo, the second one happened when a caco disappeared but still fired its attack, I used the soulcube which killed it, then crash"
• "the one with th caco was I believe the first caverns level, the plasma gun one was definitely pre-hell"

the stuff in his base folder (presumably from "d3dhp" HD mod):