From: azv <azv@opencascade.com>
Date: Fri, 25 May 2018 09:20:58 +0000 (+0300)
Subject: Task 2.3: Fix crash on sketch update when number of intersection points is decreased.
X-Git-Tag: EDF_2018-1~33^2~10
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=4833c0f5837d5609ae2eafa5a33c31492db3b400;p=modules%2Fshaper.git

Task 2.3: Fix crash on sketch update when number of intersection points is decreased.
---

diff --git a/src/Model/Model_Update.cpp b/src/Model/Model_Update.cpp
index 44f7a47e9..c0a791e26 100755
--- a/src/Model/Model_Update.cpp
+++ b/src/Model/Model_Update.cpp
@@ -578,7 +578,10 @@ bool Model_Update::processFeature(FeaturePtr theFeature)
     if (aReason != theFeature && (aReason)->data()->isValid()) {
       if (processFeature(aReason))
         aIsModified = true;
-      if (aReason->data()->execState() == ModelAPI_StateInvalidArgument)
+      // check validity of aReason once again because it may be removed by dependent feature
+      // (e.g. by SketchPlugin_IntersectionPoint)
+      if (!aReason->data()->isValid() ||
+          aReason->data()->execState() == ModelAPI_StateInvalidArgument)
         isReferencedInvalid = true;
     }
     // searching for the next not used reason