A good example, but unfortunately harder to follow than it should be because you accidentally wrote "3 * a + c" when you meant "3 * a + b". Unless you are makin

A good example, but unfortunately harder to follow than it should be because you accidentally wrote "3 * a + c" when you meant "3 * a + b". Unless you are making some very subtle point about uninitialized values? To make this a slightly more useful comment, I'll mention that I confirmed that even with -Wall neither clang-6.0 nor gcc-9 gives a warning about the second assignment to "a" being unused. This would often be a nice thing.