From 2e7113070010705b2c6c4a550cc2ebd3fd111ce0 Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Tue, 17 Dec 2019 00:00:07 -0800
Subject: Revert "Use sigmap signal"

This reverts commit 42f990f3a6b7928841fa0e290fa2688925485907.
---
 backends/aiger/xaiger.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc
index e060efece..6ca24bd7e 100644
--- a/backends/aiger/xaiger.cc
+++ b/backends/aiger/xaiger.cc
@@ -471,7 +471,7 @@ struct XAigerWriter
 							SigBit O = sigmap(b);
 							if (O != b)
 								alias_map[O] = b;
-							input_bits.erase(O);
+							input_bits.erase(b);
 							undriven_bits.erase(O);
 						}
 					}
-- 
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