Hi, > However, _M_impl, _M_start etc are gcc internals and it might be risky for > Emacs to rely on them. Can anyone say how likely these internals are to > change? I'm not asking for a guarantee. It would be helpful just to know > when they last changed as an indication of how volatile this code might be. I would say they are pretty stable, because we have a stable ABI which we are not going to break until C++0x: that means we can only implement limited span changes, we cannot add data members, for example neither change the memory layout of the classes.
Paolo.
