[cfe-dev] [PATCH] New syntax and functionality for __has_attribute

[David Chisnall]

On 25 Feb 2014, at 15:13, Alp Toker <alp at nuanti.com> wrote:

> Changing the semantics means pain for our users until those compilers go away, and compilers have a tendency to stick around :-/

And headers expecting the old behaviour.  FreeBSD and OS X both ship system headers that use __has_attribute(), shooting off the feet of our users is simply not acceptable.

David