exception safety validation

[François Dumont]

On 11/03/2012 03:12 PM, Jonathan Wakely wrote:
> On 3 November 2012 14:11, Jonathan Wakely wrote:
>> On 3 November 2012 13:53, François Dumont wrote:
>>> Here is an updated proposal using default implementations as much as
>>> possible.
>> Please check the indentation of the "struct emplace_point" specializations.
>>
>> In testsuite/util/testsuite_container_traits.h
>>
>> +#ifdef __GXX_EXPERIMENTAL_CXX0X__
>> +      typedef std::true_type    has_emplace;
>> +#endif
>>
>> true_type isn't even defined unless it's C++11
> My point being that the rest of the file already uses C++11-only features
>
Ok, it looks like this file is only used in C++11 mode so here is the 
simplified patch.

Note that I run exception tests to validate it and the recently 
introduced 23_containers/forward_list/allocator/noexcept.cc test doesn't 
work in debug mode. I think it needs a dg-require-normal-node attribute.

François

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