I'm using the latest snes9x-x64.
I did find one thing that doesn't look right. When I change that one label (I changed it to "poop"), then save and exit, when I go back in, the Goto that should be pointing to "poop" is now pointing to 0088. Whereas the new label for "poop" is 0A88, NOT 0088. I can change it from 0088 to 0A88... but when I save, exit, and go back in, it has changed back to 0088. I have to wonder if this isn't the problem.