message: We only need trivial DCE
diff: -# CMD: bril2json < {filename} | python3 ../lvn.py | python3 ../tdce.py tdce+ | bril2txt
  +# CMD: bril2json < {filename} | python3 ../lvn.py | python3 ../tdce.py tdce | bril2txt
  main {
  a: int = const 4;
  