There is this panic https://github.com/CraneStation/wasmtime/blob/c5f0cd7d5e350afe4dd2d18e8efc009ad7f1eae3/lib/environ/src/compilation.rs#L66-L73 what is this about? I've tried to use a simple `br_table` with a few arms and it seems to work fine.