From e82d2db388ab2ecfe71b9ffffad78871d9edb0c8 Mon Sep 17 00:00:00 2001
From: Thomas <thomas.burg@gmail.com>
Date: Thu, 22 Feb 2024 00:04:23 +0100
Subject: [PATCH] libtopology/./topology_graph.cpp|298 col 31| warning:
 catching polymorphic type 'class std::runtime_error' by value
 [-Wcatch-value=] ||   298 |         } catch(runtime_error e) { ||       |    
                           ^

---
 cola/libtopology/topology_graph.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cola/libtopology/topology_graph.cpp b/cola/libtopology/topology_graph.cpp
index e6dc13ac..7c459251 100644
--- a/cola/libtopology/topology_graph.cpp
+++ b/cola/libtopology/topology_graph.cpp
@@ -295,7 +295,7 @@ bool EdgePoint::assertConvexBend() const {
                         COLA_ASSERT(false);
                 }
             }
-        } catch(runtime_error e) {
+        } catch(runtime_error & e) {
             printf("  convexity bend point test failed: %s, dx=%f, dy=%f, cp=%f:\n",e.what(),dx,dy,cp);
             printf("    (nid=%d,ri=%d):u={%f,%f}\n",
                     u->node->id,u->rectIntersect,u->posX(),u->posY());