On the contrary, it should be on by default for every build configuration! If you move to a newer compiler version and the compilation breaks, then you just sav

On the contrary, it should be on by default for every build configuration! If you move to a newer compiler version and the compilation breaks, then you just saved yourself valuable debugging time. The alternative is that the new compiler has a new optimization that causes your code to break in runtime. You can always disable specific warnings if you think they're not relevant for your code.