From 59fac4cf16b718fa5ae09048af30f059dc11129d Mon Sep 17 00:00:00 2001
From: "Eloy Lafuente (stronk7)" <stronk7@moodle.org>
Date: Mon, 26 Sep 2016 23:16:15 +0200
Subject: [PATCH] MDL-56127 forms: multiple select dependencies fixed

This is a fix for a regressions introduced by MDL-54778. It
seems that escaped all our tests because there isn't any case
of such a dependency in core, but Daniele Cordella was facing
it within his surveypro module.
---
 lib/form/form.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/form/form.js b/lib/form/form.js
index 268fba2143c..2e4357b9dc0 100644
--- a/lib/form/form.js
+++ b/lib/form/form.js
@@ -496,6 +496,7 @@ if (typeof M.form.dependencyManager === 'undefined') {
                     // Multiple selects can have one or more value assigned. A pipe (|) is used as a value separator
                     // when multiple values have to be selected at the same time.
                     values = value.split('|');
+                    selected = [];
                     this.get('options').each(function() {
                         if (this.get('selected')) {
                             selected[selected.length] = this.get('value');