From 30c9c6fcd2c7b036ed0d774ea5afd7b62f77d22f Mon Sep 17 00:00:00 2001
From: AJR <ajrhacker@users.noreply.github.com>
Date: Fri, 5 Jan 2018 15:22:42 -0500
Subject: [PATCH] debugcpu.cpp: Eliminate unnecessary downcast (nw)

---
 src/emu/debug/debugcpu.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/emu/debug/debugcpu.cpp b/src/emu/debug/debugcpu.cpp
index fb762697dfd..71429112419 100644
--- a/src/emu/debug/debugcpu.cpp
+++ b/src/emu/debug/debugcpu.cpp
@@ -88,11 +88,14 @@ debugger_cpu::debugger_cpu(running_machine &machine)
 
 	/* first CPU is visible by default */
 	for (device_t &device : device_iterator(m_machine.root_device()))
-		if (dynamic_cast<cpu_device *>(&device) != nullptr)
+	{
+		auto *cpu = dynamic_cast<cpu_device *>(&device);
+		if (cpu != nullptr)
 		{
-			m_visiblecpu = downcast<cpu_device *>(&device);
+			m_visiblecpu = cpu;
 			break;
 		}
+	}
 
 	/* add callback for breaking on VBLANK */
 	if (m_machine.first_screen() != nullptr)