From 8a297be74e5cfab7750324f5fa8b3fd7691016b8 Mon Sep 17 00:00:00 2001
From: Vojtech Bubnik <bubnikv@gmail.com>
Date: Tue, 25 May 2021 20:03:05 +0200
Subject: [PATCH] Fixing another clang complaint

---
 src/libslic3r/PrintObjectSlice.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/PrintObjectSlice.cpp b/src/libslic3r/PrintObjectSlice.cpp
index 892e93c7c3..b2173367ca 100644
--- a/src/libslic3r/PrintObjectSlice.cpp
+++ b/src/libslic3r/PrintObjectSlice.cpp
@@ -320,7 +320,7 @@ static std::vector<std::vector<ExPolygons>> slices_to_regions(
                     int         region_id;
                     ObjectID    volume_id;
                     bool empty() const { return region_id < 0 || expolygons.empty(); }
-                    bool operator<(const RegionSlice &rhs) {
+                    bool operator<(const RegionSlice &rhs) const {
                         bool this_empty = this->empty();
                         bool rhs_empty  = rhs.empty();
                         // Sort the empty items to the end of the list.