f_fact 0 1
l_false-branch2 3 
l_true-branch1 15 
l_after-if3 17 
SACC 1 
MKINTSEXP 1 
BRLTE l_true-branch1 
SACC 1 
FCALL 
MKINTSEXP 1 
SACC 1 
MINUS 
SAVEVAL 
NENV2ENV 
PCCONT 1 
GOTO f_fact 
MULT 
SAVEVAL 
FRETURN 1 
MKINTSEXP 1 
FRETURN 1