From 3d0facf1192ca38e5326ff088c585dfc86b63dc2 Mon Sep 17 00:00:00 2001
From: gatecat <gatecat@ds0.me>
Date: Tue, 6 Jul 2021 11:34:14 +0100
Subject: design_utils: Fix memory error

Signed-off-by: gatecat <gatecat@ds0.me>
---
 common/design_utils.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'common')

diff --git a/common/design_utils.cc b/common/design_utils.cc
index a892feaa..da5decf9 100644
--- a/common/design_utils.cc
+++ b/common/design_utils.cc
@@ -161,7 +161,8 @@ void rename_net(Context *ctx, NetInfo *net, IdString new_name)
     if (net == nullptr)
         return;
     NPNR_ASSERT(!ctx->nets.count(new_name));
-    std::swap(ctx->nets[net->name], ctx->nets[new_name]);
+    ctx->nets[new_name];
+    std::swap(ctx->nets.at(net->name), ctx->nets.at(new_name));
     ctx->nets.erase(net->name);
     net->name = new_name;
 }
-- 
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