From 8bd52c7323b662d02757d47c7d6a14f2b7a45fd2 Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Tue, 26 May 2015 18:16:35 +0300
Subject: [PATCH] Avoid crashing in solver

---
 src/SketchSolver/SketchSolver_Storage.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SketchSolver/SketchSolver_Storage.cpp b/src/SketchSolver/SketchSolver_Storage.cpp
index 63b22bf4c..0e108b02d 100644
--- a/src/SketchSolver/SketchSolver_Storage.cpp
+++ b/src/SketchSolver/SketchSolver_Storage.cpp
@@ -554,7 +554,7 @@ int SketchSolver_Storage::deleteTemporaryConstraint()
   std::set<Slvs_hConstraint>::iterator aCIt = myTemporaryConstraints.begin();
   for (; aCIt != myTemporaryConstraints.end(); aCIt++) {
     int aPos = Search(*aCIt, myConstraints);
-    if (myConstraints[aPos].type != SLVS_C_WHERE_DRAGGED)
+    if (aPos >= (int)myConstraints.size() || myConstraints[aPos].type != SLVS_C_WHERE_DRAGGED)
       break;
     std::vector<Slvs_Constraint>::iterator anIt = myConstraints.begin();
     for (; anIt != myConstraints.end(); anIt++)
-- 
2.39.2