Why are empty expressions legal in C/C++?

Question

int main()
{
  int var = 0;; // Typo which compiles just fine
}

Answer 1

OK, I’ll add this to the worst case scenario that you may actually use:

for (int yy = 0; yy < nHeight; ++yy) {
    for (int xx = 0; xx < nWidth; ++xx) {
        for (int vv = yy - 3; vv <= yy + 3; ++vv) {
            for (int uu = xx - 3; uu <= xx + 3; ++uu) {
                if (test(uu, vv)) {
                    goto Next;
                }
            }
        }
    Next:;
    }
}