commit 926387ed74169349bdfa40445192f2b23d815244
from: Neels Hofmeyr <neels@hofmeyr.de>
date: Tue Oct 20 00:16:03 2020 UTC

fix myers_divide max-effort cut, wrong x for backwards coordinate

commit - 40fa9110668d1077088748f2be2bf9d5d9813b86
commit + 926387ed74169349bdfa40445192f2b23d815244
blob - deb8913f8f0388bd75c6b20bec62c202217d2854
blob + bb8138766878fb94ca61dd3150b7dd4986f79033
--- lib/diff_myers.c
+++ lib/diff_myers.c
@@ -947,7 +947,7 @@ diff_algo_myers_divide(const struct diff_algo_config *
 			best_forward_x = kd_forward[best_forward_i];
 			best_forward_y = xk_to_y(best_forward_x, best_forward_i);
 			best_backward_x = kd_backward[best_backward_i];
-			best_backward_y = xc_to_y(x, best_backward_i, delta);
+			best_backward_y = xc_to_y(best_backward_x, best_backward_i, delta);
 
 			if (best_forward_distance >= best_backward_distance) {
 				x = best_forward_x;