this.removeNoOpStatements = removeNoOpStatements;
}
@Override
public void process(Node externs, Node toplevel) {
NodeTraversal.traverseChangedFunctions(compiler, new FunctionCallback() {
@Override
public void visit(AbstractCompiler compiler, Node root) {
// Computes the control flow graph.
ControlFlowAnalysis cfa =
new ControlFlowAnalysis(compiler, false, false);