sizeof3.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 14 行

// The call to f is not potentially evaluated (3.2), so f<int> is not used,
// so it should not be instantiated.

template <class T>
T f (T)
{
  typename T::X x;
}

int main()
{
  int i = sizeof (f(0));
}