From: abn <adrien.bruneton@cea.fr>
Date: Fri, 8 Oct 2021 13:48:11 +0000 (+0200)
Subject: Bug fix !
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=6952fe84d182a8bb749a4ec9a6663ad944e23ae5;p=tools%2Fmedcoupling.git

Bug fix !
---

diff --git a/src/MEDCoupling/MEDCouplingUMesh.cxx b/src/MEDCoupling/MEDCouplingUMesh.cxx
index 3a63bc6d6..f4e1789e3 100755
--- a/src/MEDCoupling/MEDCouplingUMesh.cxx
+++ b/src/MEDCoupling/MEDCouplingUMesh.cxx
@@ -2545,9 +2545,12 @@ void MEDCouplingUMesh::findCellsToRenumber(const MEDCouplingUMesh& otherDimM1OnS
   // Build map giving for each cell ID in mAroundGrp the corresponding cell ID on the other side of the crack:
   // Note that this does not cover all cells around the crack (a cell like a triangle might touche the crack only with its tip)
   std::map<mcIdType, mcIdType> toOtherSide;
-  const mcIdType *revDP=revDesc00->begin(), *revDIP=revDescI00->begin(); 
+  const mcIdType *revDP=revDesc00->begin(), *revDIP=revDescI00->begin();
+  const mcIdType nCellsArGrpDesc = mArGrpDesc->getNumberOfCells();
   for (const auto& v: *idsOfM1)
     {
+      if (v >= nCellsArGrpDesc)   // Keep valid match only
+        continue;
       mcIdType idx0 = revDIP[v];
       mcIdType c1=revDP[idx0], c2=revDP[idx0+1];
       toOtherSide[c1] = c2;