From 6a678655545217b8f538673f985db458960d82cc Mon Sep 17 00:00:00 2001
From: Grigorii Kirgizov <grigorii.kirgizov@jetbrains.com>
Date: Wed, 19 Feb 2020 01:04:55 +0300
Subject: [PATCH] Fix NPE in new ChangesTracker in UpdatesRecorder on broken
 references (relates to MPSCR-44)

---
 .../jetbrains.mps.lang.coderules.program.mps  | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.program.mps b/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.program.mps
index 6cd85b73..8abc542b 100644
--- a/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.program.mps
+++ b/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.program.mps
@@ -12515,6 +12515,29 @@
                   </node>
                 </node>
               </node>
+              <node concept="3clFbJ" id="3ljpBegVFdm" role="3cqZAp">
+                <node concept="3clFbS" id="3ljpBegVFdo" role="3clFbx">
+                  <node concept="3N13vt" id="3ljpBegVGa0" role="3cqZAp" />
+                </node>
+                <node concept="22lmx$" id="3ljpBegVJ2B" role="3clFbw">
+                  <node concept="3clFbC" id="3ljpBegVJh8" role="3uHU7w">
+                    <node concept="10Nm6u" id="3ljpBegVJoK" role="3uHU7w" />
+                    <node concept="37vLTw" id="3ljpBegVJ6o" role="3uHU7B">
+                      <ref role="3cqZAo" node="45q4rZQbt1W" resolve="otherUnit" />
+                    </node>
+                  </node>
+                  <node concept="3clFbC" id="3ljpBegVFZQ" role="3uHU7B">
+                    <node concept="2OqwBi" id="3ljpBegVFLE" role="3uHU7B">
+                      <node concept="37vLTw" id="3ljpBegVFBE" role="2Oq$k0">
+                        <ref role="3cqZAo" node="45q4rZQbpgU" resolve="ref" />
+                      </node>
+                      <node concept="2ZHEkA" id="3ljpBegVFRI" role="2OqNvi" />
+                    </node>
+                    <node concept="10Nm6u" id="3ljpBegVG7Z" role="3uHU7w" />
+                  </node>
+                </node>
+              </node>
+              <node concept="3clFbH" id="3ljpBegVGab" role="3cqZAp" />
               <node concept="3clFbJ" id="45q4rZQbrRx" role="3cqZAp">
                 <node concept="3y3z36" id="45q4rZQbssC" role="3clFbw">
                   <node concept="2OqwBi" id="357z3MCpZ9Z" role="3uHU7w">