K 10
svn:author
V 6
kevans
K 8
svn:date
V 27
2022-10-17T15:41:36.907113Z
K 7
svn:log
V 478
Revert "Avoid using TARGET_ARCH in llvm.build.mk"

This reverts commit 8534e6be8110a8126268a38dc0557a2d15615ce9, and adds
a cautionary note that there are dragons about that should be considered
when changing it.

PR:		267026
Reviewed by:	dim, imp
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D36981

(cherry picked from commit ed7910fbac07ee39d10528994e49ada2d0f2d754)

Git Hash:   e2f3e8c5e89c745429968220a12e2de9e79b4a07
Git Author: kevans@FreeBSD.org
END