From: Eddie Hung <eddie@fpgeh.com>
Date: Fri, 21 Jun 2019 04:56:02 +0000 (-0700)
Subject: Fix gcc invalidation behaviour for write_aiger
X-Git-Tag: yosys-0.9~59
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c4ea6fff65d6b2e69a31649af7e10b129c6ae0f5;p=yosys.git

Fix gcc invalidation behaviour for write_aiger
---

diff --git a/backends/aiger/aiger.cc b/backends/aiger/aiger.cc
index d685c5638..6863b40fa 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)