From 9c1686eab010a8f55463cdf6e2c52ea6c931947e Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Tue, 26 May 2015 18:38:50 +0300
Subject: [PATCH] Hang up on constraining already fixed object

---
 src/SketchSolver/SketchSolver_Constraint.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/SketchSolver/SketchSolver_Constraint.cpp b/src/SketchSolver/SketchSolver_Constraint.cpp
index d5c3bbb5a..6a7ecdb09 100644
--- a/src/SketchSolver/SketchSolver_Constraint.cpp
+++ b/src/SketchSolver/SketchSolver_Constraint.cpp
@@ -277,6 +277,11 @@ void SketchSolver_Constraint::cleanRemovedEntities()
     std::map<AttributePtr, Slvs_hParam>::iterator aTmpIter = aValIt++;
     myValueMap.erase(aTmpIter);
   }
+  for (size_t i = 0; i < mySlvsConstraints.size(); i++)
+    if (aRemovedConstraints.find(mySlvsConstraints[i]) != aRemovedConstraints.end()) {
+      mySlvsConstraints.erase(mySlvsConstraints.begin() + i);
+      i--;
+    }
 }
 
 void SketchSolver_Constraint::getAttributes(
-- 
2.39.2