4abced43d5c404d6cdb505de8a93260ea5dda37b,plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/controlFlow/impl/ControlFlowBuilder.java,ControlFlowBuilder,addNode,#InstructionImpl#,68

Before Change



  private void addNode(InstructionImpl instruction) {
    myInstructions.add(instruction);
    addEdge(myHead, instruction);
    myHead = instruction;
  }

After Change



  private void addNode(InstructionImpl instruction) {
    myInstructions.add(instruction);
    if (myHead != null) {
      addEdge(myHead, instruction);
    }
    myHead = instruction;
  }