From 5605f5ffcd3255b11594ad7f45fe1d0fce5f31d3 Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Tue, 11 Apr 2017 11:58:11 +0300
Subject: [PATCH] Issue #2127: arc disappears after move

Remove temporary constraints if the solver failed and then recalculate set of constraints once again.
---
 src/SketchSolver/SketchSolver_Group.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/SketchSolver/SketchSolver_Group.cpp b/src/SketchSolver/SketchSolver_Group.cpp
index 0664550a2..bf0746fdb 100644
--- a/src/SketchSolver/SketchSolver_Group.cpp
+++ b/src/SketchSolver/SketchSolver_Group.cpp
@@ -167,6 +167,11 @@ bool SketchSolver_Group::resolveConstraints()
     try {
       if (!isGroupEmpty)
         aResult = mySketchSolver->solve();
+      if (aResult == PlaneGCSSolver_Solver::STATUS_FAILED &&
+          !myTempConstraints.empty()) {
+        removeTemporaryConstraints();
+        aResult = mySketchSolver->solve();
+      }
     } catch (...) {
       getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())
         ->setValue(SketchSolver_Error::SOLVESPACE_CRASH());
-- 
2.39.2