Optimizations don't really matter here. Optimization can't cause non-conforming code to be emitted (for a non-buggy compiler). A non-optimizing compiler could e

Optimizations don't really matter here. Optimization can't cause non-conforming code to be emitted (for a non-buggy compiler). A non-optimizing compiler could emit exactly the same code. If they don't, that's just inefficient code gen by the non-optimizing compiler.