add: firehose: arref
add: firehose: badand
add: firehose: badkm2
add: firehose: bitcall
add: firehose: da
add: firehose: double_null
add: firehose: doubleinit
add: firehose: doubletest
add: firehose: drop_continue
add: firehose: if-semicolon
add: firehose: if-addr
add: firehose: noderef
add: firehose: ret