vsapsai added a comment.

In https://reviews.llvm.org/D48753#1157907, @Quuxplusone wrote:

> In https://reviews.llvm.org/D48753#1157695, @EricWF wrote:
>
> > Why are we doing this?
> >
> > I can't find the language in the C++03 specification that requires us to 
> > call an allocators `construct` method if it's present.
>
>
> I think it's being proposed under "quality of implementation."
>
> It has only just now occurred to me: a quality implementation should probably 
> never //mismatch// calls to `construct` and `destroy`. Does libc++ currently 
> call `destroy` in C++03? Does it call `destroy` in C++03 after this patch?  
> If this patch is making libc++ call `construct` but not `destroy`, that's a 
> bug. If before this patch libc++ would call `destroy` but not `construct`, 
> this patch is a bugfix!  (And please add a test case for matched pairs of 
> `construct` and `destroy`.)


In C++03 `destroy` isn't called neither before my patch nor after. Will fix 
that. Though it's harder to find specification for `destroy` in C++03.


https://reviews.llvm.org/D48753



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