Re: [PATCH v4 1/2] string-list: use ALLOC_GROW macro when reallocing string_list

> During status on a very large repo and there are many changes,
> a significant percentage of the total run time is spent
> reallocing the wt_status.changes array.
>
> This change decreases the time in wt_status_collect_changes_worktree()
> from 125 seconds to 45 seconds on my very large repository.
>
> This produced a modest gain on my 1M file artificial repo, but
> broke even on linux.git.
>
> Test                                            HEAD^^            HEAD
> ---------------------------------------------------------------------------------------
> 0005.2: read-tree status br_ballast (1000001)   8.29(5.62+2.62)   8.22(5.57+2.63) -0.8%
>
> Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
> ---
>  string-list.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)