From 8c0dbdb2184b17aaee42fb46efadda5e864cd865 Mon Sep 17 00:00:00 2001
From: Krzysztof Boronski <kboronski@antmicro.com>
Date: Fri, 11 Mar 2022 07:53:42 -0600
Subject: [PATCH] interchange: Don't hold reference to visit in global routing

Signed-off-by: Krzysztof Boronski <kboronski@antmicro.com>
---
 fpga_interchange/globals.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fpga_interchange/globals.cc b/fpga_interchange/globals.cc
index 6efd1d89..eaff30e0 100644
--- a/fpga_interchange/globals.cc
+++ b/fpga_interchange/globals.cc
@@ -76,7 +76,7 @@ static int route_global_arc(Context *ctx, NetInfo *net, store_index<PortRef> usr
     while (!visit_queue.empty()) {
         WireId cursor = visit_queue.front();
         visit_queue.pop();
-        auto &curr_visit = visits.at(cursor);
+        auto curr_visit = visits.at(cursor);
         // We're now at least one layer deeper than a valid visit, any further exploration is futile
         if (startpoint != WireId() && curr_visit.total_hops > best_visit.total_hops)
             break;