[patch] No allocation for empty unordered containers

[Jonathan Wakely]

On 09/09/14 23:03 +0200, François Dumont wrote:
>On 09/09/2014 19:29, Jonathan Wakely wrote:
>>On 14/08/14 21:22 +0200, François Dumont wrote:
>>>I am preparing a patch for profile mode so I will submit 
>>>modification for this mode with this big patch.
>>
>>btw, François, for profile mode I think we should just do something
>>like this patch.
>>
>>I feel quite strongly that if using Debug Mode or Profile Mode makes
>>your program run out of memory where it wouldn't usually fail, then
>>terminating is reasonable. The point of Profile Mode is not to test
>>abnormal execution of your program because that won't give you useful
>>profile information for the normal case.
>>
>>It's more important for the noexcept specification to be consistent
>>across normal/debug/profile modes than for profile mode to fail
>>gracefully via bad_alloc in out-of-memory scenarios.
>>
>    Sure, no problem. In the patch I am preparing for profile mode 
>failure in allocation will just mean that the involved container won't 
>be profiled so that I can add noexcept wherever it is needed for 
>consistency with normal mode. I hope to be able to submit this patch 
>in a week or two.

Great - thanks for working on it.