From b4ed7bbd704034956e866a235347384b564ce878 Mon Sep 17 00:00:00 2001
From: Artem Zhidkov <Artem.Zhidkov@opencascade.com>
Date: Tue, 30 Jun 2020 14:05:23 +0300
Subject: [PATCH] Task #3231: Sketcher Offset of a curve.

Fix crash on Linear and Angular Copies.
---
 src/SketchPlugin/SketchPlugin_Validators.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/SketchPlugin/SketchPlugin_Validators.cpp b/src/SketchPlugin/SketchPlugin_Validators.cpp
index 42220392d..beaef63a7 100644
--- a/src/SketchPlugin/SketchPlugin_Validators.cpp
+++ b/src/SketchPlugin/SketchPlugin_Validators.cpp
@@ -552,10 +552,12 @@ bool SketchPlugin_CopyValidator::isValid(const AttributePtr& theAttribute,
       if (!isFound) {
         // check in the results of the feature
         FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anObjIter);
-        const std::list<ResultPtr>& aResults = aFeature->results();
-        for (std::list<ResultPtr>::const_iterator aResIt = aResults.begin();
-             aResIt != aResults.end() && !isFound; ++aResIt) {
-          isFound = aSelObject == *aResIt;
+        if (aFeature) {
+          const std::list<ResultPtr>& aResults = aFeature->results();
+          for (std::list<ResultPtr>::const_iterator aResIt = aResults.begin();
+            aResIt != aResults.end() && !isFound; ++aResIt) {
+            isFound = aSelObject == *aResIt;
+          }
         }
       }
       if (isFound) {
-- 
2.39.2