[llvm] r225754 - Disable a warning for self move since the test is checking for this behavior.

[David Blaikie]

On Tue, Jan 13, 2015 at 1:45 PM, Chandler Carruth <chandlerc at google.com>
wrote:

>
> On Mon, Jan 12, 2015 at 6:10 PM, Richard Trieu <rtrieu at google.com> wrote:
>
>> +// Disable the warning that triggers on exactly what is being tested.
>> +#pragma clang diagnostic push
>> +#pragma clang diagnostic ignored "-Wself-move"
>>
>
> Old clang's warn on this:
> APIntTest.cpp:684:34: error: unknown warning group '-Wself-move', ignored
> [-Werror,-Wunknown-pragmas]
>
> I think we should change this pragma warning to not fire when an unknown
> warning group is *ignored*, and only fire when an unknown warning group is
> *requested*. Would that make sense?
>

Sonuds reasonable to me, though should we change the command line behavior
to match (-Wno-foobar warns with clang, but doesn't warn (except when
producing other errors?) with GCC)?


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