diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index 552a931eb3..d5b58206b0 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -1870,6 +1870,10 @@ function split_all_shared_terms() {
 		 HAVING term_tt_count > 1"
 	);
 
+	if ( empty( $shared_terms ) ) {
+		return;
+	}
+
 	// Rekey shared term array for faster lookups.
 	$_shared_terms = array();
 	foreach ( $shared_terms as $shared_term ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 8868eda466..2994125028 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32818';
+$wp_version = '4.3-alpha-32819';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.