Callgraph Generation ignores <clinit>

[JonasKlauke]

Currently, the Call graph generation does not analyze the clinit.
Therefore, method calls in the static area are missed and RTA does not know which classes are instantiated in the static area.

Code snippet with both problems

public class B{
    public int foo(){return 8;}
}

public class C extends B{
    public int foo(){return 3;}
    public static C build () {return new C();}
}
public class A {
  static C c=C.build();
  public static void main(String[] args) {
    B b=c;
    b.foo
  }
}

• unit test for method calls in clinit
• unit test for instantiated classes in clinit for RTA
• analyze cinit in the worklist

[JonasKlauke]

implicit call edge to Clinit and all their superclasses Clinit if:

• static method is called
• static attribute is used
• constructor is called
• method is a entry point