test/control_flow.txt

if
  1 ==> 2
  2 ==> 3
  3 ==> 4
  4 ==> 5
  11 ==> 11
  90 ==> 90
loop
  1 ==> 128
  2 ==> 128
  3 ==> 192
  4 ==> 128
  11 ==> 176
  90 ==> 180
loop_break
  1 ==> 62
  2 ==> 46
  3 ==> 62
  4 ==> 38
  11 ==> 46
  90 ==> 180
loop_continue
  1 ==> 124
  2 ==> 184
  3 ==> 124
  4 ==> 152
  11 ==> 184
  90 ==> 180
do_loop
  1 ==> 121
  2 ==> 121
  3 ==> 185
  4 ==> 121
  11 ==> 169
  90 ==> 179
do_once
  1 ==> 2
  2 ==> 4
  3 ==> 6
  4 ==> 8
  11 ==> 22
  90 ==> 179
while_forever
  1 ==> 1922
  2 ==> 1922
  3 ==> 1474
  4 ==> 1922
  11 ==> 1346
  90 ==> 1426
switch
  1 ==> 10
  2 ==> 60
  3 ==> 20
  4 ==> 60
  11 ==> 50
  90 ==> 60
switch_nodefault
  1 ==> 10
  2 ==> 70
  3 ==> 20
  4 ==> 70
  11 ==> 50
  90 ==> 70
switch_rdefault
  1 ==> 10
  2 ==> -60
  3 ==> 20
  4 ==> -60
  11 ==> 50
  90 ==> -60
switch_fallthrough
  1 ==> 10
  2 ==> 3
  3 ==> 4
  4 ==> 60
  11 ==> 50
  90 ==> 60