To complement your example, there are also cases when everything coincidentally happens to work fine. For example: https://stackoverflow.com/questions/7280877/

To complement your example, there are also cases when everything coincidentally happens to work fine. For example: https://stackoverflow.com/questions/7280877/why-and-how-does-gcc-compile-a-function-with-a-missing-return-statement https://stackoverflow.com/questions/7280877/why-and-how-does...