AIX exception-handling vs. builtin_return_address

[Richard Henderson]

On Fri, Feb 02, 2001 at 02:32:45PM -0500, David Edelsohn wrote:
> 	My first question is whether the count == -1 test ever had any
> purpose.  Does GCC use -1 to refer to a function in which a stack frame
> was not pushed?

Well, I wasn't planning on doing the archaeology to find 
out if it _ever_ had a purpose, but I do know that it has
not been valid for quite some time.  Since 2.7 certainly.


r~