>>>>> "Ian" == Ian Lance Taylor <i...@google.com> writes:
Ian> The problem with warnings for this kind of code in C/C++ is that it Ian> often arises in macro expansions. I think it would be necessary to Ian> first develop a scheme which lets us determine whether code resulted Ian> from a macro expansion or not, which I think would be quite useful in a Ian> number of different cases. There is a patch series pending for this. See the thread "Tracking locations of tokens resulting from macro expansion". Tom