Re: cni-changes documented?

[Andrew Haley <aph at redhat dot com>]

Tom Tromey writes:
 > >>>>> "Hans" == Boehm, Hans <hans.boehm@hp.com> writes:
 > 
 > Hans> (I'm not sure whether the smart pointers to implement
 > Hans> null-pointer checks are implemented as C++ source.)
 > 
 > Hans> At least in my experience, a general problem with C++ "smart pointers"
 > Hans> is that they only behave 95% like pointers, and it's usually still
 > Hans> possible to get premature deallocation if you try, or if you try to
 > Hans> manually optimize too aggressively.
 > 
 > I think our plan for smart pointer is just a very thin wrapper around
 > the pointer to do null checking:

You're missing the question.  This was "will it be possible to use
smart pointers to do precise gc?"

 > The hope is that the overhead from this approach will be very small.

I think so.  I exepct the only issue will be ABIs that pass single
member structs in a different way from scalars.

Andrew.