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-rw-r--r--src/aig/gia/giaIf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/aig/gia/giaIf.c b/src/aig/gia/giaIf.c
index beb9f231..d3239299 100644
--- a/src/aig/gia/giaIf.c
+++ b/src/aig/gia/giaIf.c
@@ -1673,7 +1673,7 @@ void Gia_ManTransferPacking( Gia_Man_t * p, Gia_Man_t * pGia )
}
void Gia_ManTransferTiming( Gia_Man_t * p, Gia_Man_t * pGia )
{
- if ( pGia->pManTime == NULL )
+ if ( pGia->pManTime == NULL || p == pGia )
return;
p->pManTime = pGia->pManTime; pGia->pManTime = NULL;
p->pAigExtra = pGia->pAigExtra; pGia->pAigExtra = NULL;