Re: [boost] [container] ::flat_map function force_copy break strict-aliasing on gcc < 4.4

Subject: Re: [boost] [container] ::flat_map function force_copy break strict-aliasing on gcc < 4.4
From: Владислав Щапов (phprus_at_[hidden])
Date: 2017-01-31 12:05:14

Hello!

2017-01-31 21:48 GMT+05:00 Robert Ramey <ramey_at_[hidden]>:

> On 1/30/17 11:20 PM, Владислав Щапов wrote:
>
>> gcc 4.3.4 (SLE 11) produced wrong code.
>> It seems that the compiler does not create a copy of an object "s" and
>> returns an object of D().
>>
>
> Hmmmm - this is what I would expect it to do.
>

Yes, but this function from boost::container::flat_map library (
https://github.com/boostorg/container/blob/develop/include/boost/container/flat_map.hpp#L61
 ).
Not in my code.

> Robert Ramey
>
>
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-- 
Best regards,
Vladislav