Well it gives you the belief that you are in control, because undefined behavior are implementation dependent, and that "modern processor" not only predict, but

Well it gives you the belief that you are in control, because undefined behavior are implementation dependent, and that "modern processor" not only predict, but also can decide of the execution order of your nice code. That said, save for the Basic language, C is probably the lowest common denominator for system programming and for all the programming languages to interface with each other (with relative efficiency).