Another svn-git oddity

[Ed Maste]

On Fri, 22 Nov 2019 at 08:52, Ed Maste <emaste at freebsd.org> wrote:
>
> This could be addressed either by avoiding the representation of this
> as a merge in the svn-git conversion, or possibly as a git-subtree
> bugfix. More investigation is needed to determine the appropriate
> approach (possibly both).

One additional point on this - the 'svn_head' branch in the FreeBSD
git mirror is generated by 'git svn', and does not include any git
merges. "git subtree split --prefix contrib/elftoolchain
upstream/svn_head" gives me a workable split elftoolchain tree.