Re: [boost] [lockfree] _ENABLE_ATOMIC_ALIGNMENT_FIX for VS 2015Update 2

[STL]

Users don't discover opt-in features.

[Andrey Semashev]

It's a bugfix, not a feature.

I should have said: Users don't discover opt-in anything.

But I would have preferred to have the correct and silent behavior

The problem is that the correct behavior is a binary breaking change.

BTW, I thought MSVC did not guarantee ABI compatibility between different versions? Did this change?

We guarantee bincompat between Updates. We break it between major versions. STL