[PATCH] streambuf_iterator: avoid debug-dependent behaviour

[François Dumont]

On 08/09/2017 07:47, Petr Ovtchenkov wrote:
> -gcc-patches
>
> On Thu, 7 Sep 2017 23:02:15 +0200
> François Dumont <frs.dumont@gmail.com> wrote:
>
>> +	_M_c = _M_sbuf->sgetc();
>> +	if (_S_at_eof(_M_c))
>> +	  _M_sbuf = 0;
> _M_sbuf = 0; <--- Is not what I expect here.

I know but I didn't say that I agree with all your patch.

I only agree with your remark about current implementation being 
debug-dependant which I have been able to prove with a test case at the 
cost of a small change in the current implementation to fix another problem.