[PATCH] Introduce __BIGGEST_ALIGNMENT__ macro

[Joerg Sonnenberger]

On Sat, Dec 13, 2014 at 06:43:03PM +0000, mats petersson wrote:
> If the alignment, then surely "SuitableAlignment" should also change? It
> "SuitableAlignment" isn't the right thing to use for "largest alignment",
> then perhaps a new member is needed, but I thought that "SuitableAlignment"
> was for "The alignment you need to ensure that data is aligned correctly.

But such change doesn't help *existing* binaries. We've had such fun in
NetBSD with the Unix Domain Socket control message interface before,
encoding "maximum alignment" implicitly in the ABI is not fun. That's
why I am asking what the future compatibility promises around this
interface are.

Joerg