> And the program definitely still does something, whether specified or not. No. It most definitely does not mean this. Go read the series this is part of: htt

> And the program definitely still does something, whether specified or not. No. It most definitely does not mean this. Go read the series this is part of: https://blog.llvm.org/2011/05/what-every-c-programmer-should-know_14.html https://blog.llvm.org/2011/05/what-every-c-programmer-should... It is absolutely critical that people programming in C understand what real compilers in the real world do.