From 6ed25f6e1c767b36d5cfa9c705467b203b01377a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Hejl?= <hejl.lukas@gmail.com>
Date: Tue, 6 Oct 2020 13:19:39 +0200
Subject: [PATCH] Fixed avoiding of other printed objects

Calling std::move on itself causes that the first polygon is empty, which results in disabling this feature
---
 src/libslic3r/GCode.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index 5c8c454aa..23d32899f 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -158,7 +158,7 @@ namespace Slic3r {
                             polygons_per_layer[i * 2] = union_(polys);
                         }
                     });
-                for (size_t i = 0; i < cnt / 2; ++i)
+                for (size_t i = 1; i < cnt / 2; ++i)
                     polygons_per_layer[i] = std::move(polygons_per_layer[i * 2]);
                 if (cnt & 1)
                     polygons_per_layer[cnt / 2] = std::move(polygons_per_layer[cnt - 1]);