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[Python-Dev] Nuking wstr [Re: How can we use 48bit pointer safely?]

On Fri, 30 Mar 2018 21:40:21 +0300
Serhiy Storchaka <storchaka at gmail.com> wrote:

> 30.03.18 16:54, Antoine Pitrou ????:
> > We could also simply nuke wstr.  I frankly don't think it's very
> > important.  It's only used when calling system functions taking a
> > wchar_t argument, as an ? optimization ?.  I'd be willing to
> > guess that modern workloads aren't bottlenecked by the cost overhead of
> > those system functions...  
> This is possible only after removing all Py_UNICODE related C API. It is 
> deprecated since 3.3, but only in the documentation, and should stay to 
> the EOL of 2.7. Only in 3.7 most of these functions started emitting 
> deprecation warnings at compile time (GCC-only). [1] It would be good to 
> make them emitted in other compilers too.

It should be possible with MSVC:

and clang as well: