From fd556d4df75f186c53769fb0e69b0c02ce8aec84 Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Thu, 23 Apr 2015 08:46:44 +0300
Subject: [PATCH] Issue #486: Detaching a Coincidence constraint crashes the
 application

---
 src/SketchSolver/SketchSolver_ConstraintCoincidence.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/SketchSolver/SketchSolver_ConstraintCoincidence.cpp b/src/SketchSolver/SketchSolver_ConstraintCoincidence.cpp
index 721913b19..2afdbcf0d 100644
--- a/src/SketchSolver/SketchSolver_ConstraintCoincidence.cpp
+++ b/src/SketchSolver/SketchSolver_ConstraintCoincidence.cpp
@@ -171,6 +171,7 @@ bool SketchSolver_ConstraintCoincidence::remove(ConstraintPtr theConstraint)
       anExtraIt++;
     }
     // Find first non-extra conststraint
+    anExtraIt = myExtraCoincidence.begin();
     while (anExtraIt != myExtraCoincidence.end() && anExtraIt->first == SLVS_E_UNKNOWN)
       anExtraIt++;
     if (anExtraIt != myExtraCoincidence.end()) {
-- 
2.39.2