GCC bug? Chaining methods, broken sequence point

Question

I\'ve been debugging a program for some time, and eventually found the error was due to a reference not being updated as I thought it would be.

Here\'s a example that sh

Answer 1

[too long for a comment:]

If adding

Test& add(int& i, const int toadd)
{
  i += toadd;
  return *this;
}

This call

t.set(i).add(i, 5).print(i);

returns

15

From this I conclude that the culprit is the i + 5 as parameter to print.