Caused after updating from 0.10.11, not using Optifine, can reproduce with only FoamFix installed.
Originally reported to my modpack over xJon/The-1.12.2-Pack#681.
Weird, huh?

I have the same issue, disabling client.smallModelConditions fixes it for me.

some more info in case it helps

having the same issue here. but instead of changing client.smallModelConditions to fix the problem, i decided just to downgrade back to 0.10.11.

0.10.12 and 0.10.12a cause the fire texture/model and some other textures from different mods to break/disappear.
Reverting to 0.10.11 fixes this, meaning it's specifically the newest ones.
Didn't know it was doing this to redstone too.

This seems to be resolved with version 0.10.14.
EDIT: This issue still isn't resolved - #276.