From: Claire Xenia Wolf <claire@clairexen.net>
Date: Mon, 26 Apr 2021 14:31:44 +0000 (+0200)
Subject: Remove duplicates from conns array in JSON front-end, fixes #2736
X-Git-Tag: yosys-0.10~216^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=58290c0c77e09aa40a098065ea999c85aaba398c;p=yosys.git

Remove duplicates from conns array in JSON front-end, fixes #2736
---

diff --git a/frontends/json/jsonparse.cc b/frontends/json/jsonparse.cc
index d897ac20b..cbfa038a1 100644
--- a/frontends/json/jsonparse.cc
+++ b/frontends/json/jsonparse.cc
@@ -585,6 +585,10 @@ void json_import(Design *design, string &modname, JsonNode *node)
 			module->memories[mem->name] = mem;
 		}
 	}
+
+	// remove duplicates from connections array
+	pool<RTLIL::SigSig> unique_connections(module->connections_.begin(), module->connections_.end());
+	module->connections_ = std::vector<RTLIL::SigSig>(unique_connections.begin(), unique_connections.end());
 }
 
 struct JsonFrontend : public Frontend {