[PATCH 1/2 v2] Introduce __builtin_is_virtual_base_of

[Giuseppe D'Angelo]

Hello,

On 31/07/2024 00:49, Giuseppe D'Angelo wrote:
> On 29/07/2024 22:53, Giuseppe D'Angelo wrote:
>> Hi,
>>
>> The attached patch is a stab at adding the necessary compiler builtin to
>> support std::is_virtual_base_of (P2985R0, approved for C++26). The name
>> of the builtin matches the one just merged into clang:
>>
>> https://github.com/llvm/llvm-project/issues/98310
>>
>> The next patch will add the libstdc++ bits.
> Hello,
> 
> This is a new revision of the same patch, this time with a DCO.

Gentle ping -- could I have some feedback on the compiler side of this 
patch?

Thank you,

-- 
Giuseppe D'Angelo
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