A weird NopStmt

[Liang Guo <lguo@mail.eecis.udel.edu>]

Hi,

When i use the soot.examples.printclass.Main to print out the
jimpled class for one of my simple java file, I found there
are 2 nop statement. When I use the beta3, there were not these
NopStmt within the jimple body. So, my PDG construction got
crashed here on these 2 NopStmt. I am wondering what is the
purpose of these 2 NopStmts.

Thansk,

Liang
------
	r0 := @parameter0: java.lang.String[];
        i0 = 5666;
        $r4 = new Change;
        specialinvoke $r4.<Change: void <init>()>();
        r1 = $r4;
        $r5 = new ComputerJob;
        specialinvoke $r5.<ComputerJob: void <init>(java.lang.String,int)>("Comp Sci", 66000);
        r2 = $r5;
        $r6 = virtualinvoke r2.<Job: java.lang.String Name()>();
   -->  nop;
        $i2 = virtualinvoke r2.<Job: int PayLevel()>();
   -->  nop;
        virtualinvoke r2.<ComputerJob: void JobDescription()>();
        virtualinvoke r1.<Change: void improve(Job,int)>(r2, i0);
        r3 = r2;
        $i3 = r3.<Job: int payLevel>;
        i1 = $i3 + i0;
        $r7 = <java.lang.System: java.io.PrintStream out>;
        virtualinvoke $r7.<java.io.PrintStream: void println(int)>(i1);
        return;