emitHeader = do
  label <- ldc 30000
  newarray byte
  astore 1
  ldc 0
  istore 2
  returnM label
emitHeader = do
  label <- ldc 30000
  newarray byte
  astore 1
  ldc 0
  istore 2
  returnM label
emitHeader = do
  label <- ldc 30000
  newarray byte
  astore 1
  ldc 0
  istore 2
  returnM label