string/list ABI changes

[Jason Merrill]

On 03/03/2013 09:39 PM, Jason Merrill wrote:
> On 03/02/2013 05:09 AM, Paolo Carlini wrote:
>> I'm not sure to
>> understand whether, as I thought, for 4.9 we really want to globally
>> break the ABI by default.
>
> I don't think so.

Or rather, when we break the ABI it needs to happen in a way that allows 
new-ABI code to coexist with old-ABI code as long as they aren't trying 
to operate on the same objects.

Jason