[PATCH] D14180: enable -fms-extensions by default on the mingw-w64 target

[Ismail Donmez via cfe-commits]

On Tue, Dec 1, 2015 at 8:06 PM, Ismail Donmez <ismail at i10z.com> wrote:
> Hi,
>
> On Tue, Dec 1, 2015 at 7:45 PM, Reid Kleckner via cfe-commits
> <cfe-commits at lists.llvm.org> wrote:
>> rnk added a comment.
>>
>> In http://reviews.llvm.org/D14180#299183, @martell wrote:
>>
>>> I tried testing __has_builtin(_InterlockedCompareExchangeAdd) as it seem to not exist even when -fms-extensions is passed
>>>  Is this a bug or it is intended ?
>>
>>
>> Neither Clang nor MSDN have anything by that name. Do you mean _InterlockedExchangeAdd? __has_builtin should find that.
>
> MSDN knows about it though:
> https://msdn.microsoft.com/en-us/library/windows/desktop/ttk2z1ws(v=vs.85).aspx

Never mind, misread the function name.