std::stoi and std::to_string on MinGW

[Tejas Belagod]

On 22/12/14 16:41, Jonathan Wakely wrote:
> On 22/12/14 16:02 +0100, Kai Tietz wrote:
>> 2014-12-20 3:28 GMT+01:00 Jonathan Wakely <jwakely.gcc@gmail.com>:
>>> People keep hitting the problem that std::stoi and std::to_string are
>>> not defined when using MinGW, because of the fix for
>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37522
>>>
>>> If the problem is only with vswprintf then couldn't we enable
>>> everything except std::to_wstring?
>>>
>>> That would solve the problem for most people, as std::to_string and
>>> all the std::sto* functions would be defined, we'd only be missing
>>> std::to_wstring which I never see anyone trying to use anyway.
>>
>> So patch is ok.  AFAICS it affects just MinGW.org based build of libstdc++, as
>>
>> _GLIBCXX_HAVE_BROKEN_VSWPRINTF is just defined in this case.  For
>> mingw targets using mingw-w64 based build this change has no affect
>> due it provides none-broken w-scanf/printf C99 API,
>
> Yes, this only affects mingw.org not mingw-w64
>
>> Patch is ok.
>>
>> Thanks,
>> Kai
>>
>> PS: By mingw-w64 users the wide-character API is actually used.
>
> Thanks, Kai. Here's the full patch, which enables std::stoi etc.
> (everything except std::to_wstring) for MinGW.org
>
> Tested powerpc64-linux, committed to trunk.
>

Hi Jonathan,

This patch seems to break a few UNSUPPORTED tests on AArch64.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64438

Thanks,
Tejas.