# print $a++ if ($a < 9);

###############
#    start    #
###############
  |
  |
  v
+-------------+
| if ($a < 9) | -+
+-------------+  |
  |              |
  | true         |
  v              |
+-------------+  |
| print $a++  |  | false
+-------------+  |
  |              |
  |              |
  v              |
###############  |
#     end     # <+
###############
