[PATCH][libc++] Remove 'std' qualifier on basic_ostream in 'iomanip' header.

[Larisse Voufo]

On Thu, Oct 2, 2014 at 5:16 PM, Richard Smith <richard at metafoo.co.uk> wrote:

> On Thu, Oct 2, 2014 at 4:13 PM, Larisse Voufo <lvoufo at google.com> wrote:
>
>> This qualifier seems to have been added accidentally. (It is the only
>> occurrence of basic_ostream within the same file that is qualified).
>>
>> I have been having a bit of trouble building libc++ successfully; and
>> even when I got that done, I have been unable to run the regression tests
>> successfully. So, I have not been able to verify that the changes I
>> suggested in the attached patch won't break anything.
>>
>> That said, it'd be great to have someone take a look and apply it.
>>
>
> Does this extra qualification break any conforming code, or just code that
> tries to forward-declare basic_ostream?
>

I can't say for sure. The test case I provide is what I was able to reduce
a much larger build failure down to.
I should add that the failure occurs when C++14 is enabled.
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