From 4422b7311b8d672df386f993b413d32baad8550b Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Thu, 20 Jun 2019 21:56:02 -0700
Subject: [PATCH] Fix gcc invalidation behaviour for write_aiger

---
 backends/aiger/aiger.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/backends/aiger/aiger.cc b/backends/aiger/aiger.cc
index 4c2ea511a..4fb47f0d6 100644
--- a/backends/aiger/aiger.cc
+++ b/backends/aiger/aiger.cc
@@ -89,7 +89,8 @@ struct AigerWriter
 				aig_map[bit] = mkgate(a0, a1);
 			} else
 			if (alias_map.count(bit)) {
-				aig_map[bit] = bit2aig(alias_map.at(bit));
+                int a = bit2aig(alias_map.at(bit));
+				aig_map[bit] = a;
 			}
 
 			if (bit == State::Sx || bit == State::Sz)
-- 
2.30.2