Minor bug fix.

bbd170e8 · Alan Mishchenko · 55594441 · bbd170e8
Commit bbd170e8 authored Oct 04, 2012 by Alan Mishchenko
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src/base/main/mainFrame.c
+3 -0

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--- a/src/base/main/mainFrame.c
+++ b/src/base/main/mainFrame.c
@@ -378,6 +378,9 @@ void Abc_FrameSetCurrentNetwork( Abc_Frame_t * p, Abc_Ntk_t * pNtkNew )
    int nNetsToSave;
    char * pValue;

+    if ( p->pNtkCur == pNtkNew )
+        return;
+
    // link it to the previous network
    Abc_NtkSetBackup( pNtkNew, p->pNtkCur );
    // set the step of this network