Re: -fno-exceptions documentation

[Paolo Carlini <pcarlini at suse dot de>]

Hi Peter,

> The actual throwing is done by using X<void>::throw_bad_alloc. The
> helper template is only necessary to give the correct "linkage" to
> throw_bad_alloc so that multiple definitions do not result in an error.
>
> A compiled library that wishes to be "exception neutral" (such as
> libstdc++ itself) should #define _EXCEPTION_NEUTRAL and would receive
> no definition of throw_bad_alloc, leaving the calls unresolved.
>
> User code just #includes the above header (indirectly via any
> libstdc++ include) and receives an appropriate (for the current
> __EXCEPTIONS setting) definition for X<void>::throw_bad_alloc because
> of the explicit instantiation.

I'm trying to catch up on this (after a few days spent on something
completely different...)

First, thanks of course both to you and Howard for the interesting feedback.

Peter, at the moment, I have trouble understanding what you are
suggesting specifically for libsupc++, for things like operator new...

Paolo.