This is a silly line of argument; optimizing (x*3)/3 to x unlocks further CSE, inlining, etc. so the benefit may be arbitrarily large. Rust made the right trad

This is a silly line of argument; optimizing (x*3)/3 to x unlocks further CSE, inlining, etc. so the benefit may be arbitrarily large. Rust made the right tradeoff here but it is a tradeoff!