K 10
svn:author
V 3
dim
K 8
svn:date
V 27
2016-05-29T17:32:19.073279Z
K 7
svn:log
V 353
Stop exposing the C11 _Atomic() macro in <sys/cdefs.h>, when compiling
for C++.  It clashes with the one in libc++'s <atomic> header.

(Previously, the _Atomic() macro was defined in <stdatomic.h>, which is
only for use with C11, but for various reasons it was moved to its
current location in r251804.)

Discussed with:	bdrewery, ed
MFC after:	2 weeks

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