From eefcafcac2d7ef903a5bd6d124e21bd4736beb4e Mon Sep 17 00:00:00 2001
From: jfa <jfa@opencascade.com>
Date: Mon, 24 Apr 2023 16:45:03 +0100
Subject: [PATCH] Do not rebuild wire if there are no necessary changes

---
 src/BRepLib/BRepLib_MakeFace.cxx | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/BRepLib/BRepLib_MakeFace.cxx b/src/BRepLib/BRepLib_MakeFace.cxx
index 632372c33b..2e3563b5a3 100644
--- a/src/BRepLib/BRepLib_MakeFace.cxx
+++ b/src/BRepLib/BRepLib_MakeFace.cxx
@@ -273,18 +273,26 @@ BRepLib_MakeFace::BRepLib_MakeFace(const TopoDS_Wire& W,
     aB.MakeWire (aW);
 
     TopoDS_Wire aWForw = W;
+    Standard_Boolean hasDegenerated = Standard_False;
     aWForw.Orientation (TopAbs_FORWARD);
     TopoDS_Iterator anIter (aWForw);
     for (; anIter.More(); anIter.Next())
     {
       const TopoDS_Edge& aE = TopoDS::Edge (anIter.Value());
 
-      if (!BRep_Tool::Degenerated (aE))
+      if (BRep_Tool::Degenerated (aE))
+        hasDegenerated = Standard_True;
+      else
         aB.Add (aW, aE);
     }
 
-    aW.Orientation (W.Orientation()); // return to original orient
-    aW.Closed (W.Closed());
+    if (hasDegenerated) {
+      aW.Orientation (W.Orientation()); // return to original orient
+      aW.Closed (W.Closed());
+    }
+    else {
+      aW = W;
+    }
   }
   else
   {