in assembler.go [220:234]
func (p *Program) updateIndices(after Index) {
for i := range p.jumps {
if p.jumps[i].index >= after {
p.jumps[i].index++
}
}
for _, v := range p.labels {
for i := range v {
if v[i] >= after {
v[i]++
}
}
}
}