_Z3sumii:105580:5279
 0: 5279
 1: 5279
 2: 5279
main:225715:0
 2.1: 5553
 3: 5391
 # This indicates that at line 3 of this function, the 'then' branch
 # of the conditional is taken (discriminator '1').
 3.1: 5752 _Z3sumii:5860