instrs = new ArrayList<Instr>();
if (RubyInstanceConfig.IR_COMPILER_DEBUG || RubyInstanceConfig.IR_VISUALIZER) {
IRManager irManager = cfg.getScope().getManager();
InstructionsListener listener = irManager.getInstructionsListener();
if (listener != null) {
instrs = new InstructionsListenerDecorator(instrs, listener);
}
}
instrsArray = null;
}