K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2020-11-25T14:26:13.252645Z
K 7
svn:log
V 422
clang: allow -fstack-clash-protection on FreeBSD

-fstack-clash-protection was added in Clang commit e67cbac81211 but was
enabled only on Linux.  It should work fine on FreeBSD as well, so
enable it.

To be discussed and upstreamed with a test.  The OS test should probably
just be removed.

Reviewed by:	dim
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D27366

END