Re: alignas (C11)

On 23.01.26 23:18, Tom Lane wrote:
> Peter Eisentraut <peter(at)eisentraut(dot)org> writes:
>> On 23.01.26 18:33, Tom Lane wrote:
>>> Not sure what to do about that, but I do read it as indicating that we
>>> cannot put any faith in the compiler to honor such large alignment
>>> demands.
>
>> I think we could work around it like this:
>
>> #if defined(__cplusplus) && defined(__GNUC__) && __GNUC__ <= 6
>> #define alignas(a) __attribute__((aligned(a)))
>> #endif
>
> Hmm, yeah, their bug #70066 shows clearly that the __attribute__
> spelling should work. But I think we'd better make the cutoff be
> version 9 not version 6, because that same bug is quite clear
> about when they fixed it. The lack of complaints from the buildfarm
> may just indicate a lack of animals running the intermediate versions.

Ok, done that way.