private void addControlFlowInstructions(final GrStatementOwner owner) {
    PsiElement child = owner.getFirstChild();
    while (child != null) {
      if (child instanceof GroovyPsiElement) {
        ((GroovyPsiElement)child).accept(this);
      }
      child = child.getNextSibling();
    }

    final GrStatement[] statements = owner.getStatements();
    if (statements.length > 0) {
      handlePossibleReturn(statements[statements.length - 1]);
    }
  }
private void addControlFlowInstructions(final GrStatementOwner owner)