From 8de3babdb0a6360b477956ba3b0cb4501e9ff877 Mon Sep 17 00:00:00 2001
From: Thomas Rahm <67757218+ThomasRahm@users.noreply.github.com>
Date: Tue, 22 Oct 2024 11:11:01 +0200
Subject: [PATCH] Restore a small change mistakenly undone by a previous
 commit.

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

diff --git a/src/TreeSupport.cpp b/src/TreeSupport.cpp
index ead27ed820..8268bc2e9c 100644
--- a/src/TreeSupport.cpp
+++ b/src/TreeSupport.cpp
@@ -2023,7 +2023,7 @@ void TreeSupport::filterFloatingLines(std::vector<Shape>& support_layer_storage)
                 return;
             }
 
-            Shape relevant_forbidden = volumes_.getCollision(0, layer_idx, true);
+            const Shape& relevant_forbidden = volumes_.getCollision(0, layer_idx, true);
             Shape outer_walls = TreeSupportUtils::toPolylines(support_layer_storage[layer_idx - 1].getOutsidePolygons()).createTubeShape(closing_dist, 0);
 
             Shape holes_below;