WU Yongwei wrote: > Well, I see this in the gcc error message. Can someone here kindly > point to me which part of the Standard specified this behaviour? I > thought it should be in 5.3.4, but was not able to find the words > there. > > By the way, anyone knows the rationale of this behaviour?
It is not explicitly forbidden. Rather, there is no syntax defined that would enable it (so it is implicitly forbidden) you might be interested in the following paper from the last ISO mailing ;¬) http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1824.htm AlisdairM
