(C++) mangling vector types

[Mark Mitchell]

Gabriel Dos Reis wrote:

>> This still seems a lot of complexity to me, and I still think inserting
>> a new version between 2 and 3 is odd.  If we need the complexity, I
>> think we have to introduce a new orthogonal option for vector mangling,
>> independent of the ABI version, but implied by ABI version > 4.
> 
> How is mangling orthogonal to the ABI?

It's certainly possible to have ABIv2-with-vector-change and
ABIv2-without.  I never claimed that they were the same ABI.

-- 
Mark Mitchell
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