From e38d3fb15d79cc4393c435cb3a79b413b075c839 Mon Sep 17 00:00:00 2001
From: Nathan Woods <npwoods@mess.org>
Date: Wed, 3 May 2017 09:06:27 -0400
Subject: [PATCH] Fixed a crash in the 'symlist' debugger command (MT#6575)

---
 src/emu/debug/debugcmd.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/emu/debug/debugcmd.cpp b/src/emu/debug/debugcmd.cpp
index ce017a27277..843b8e383dc 100644
--- a/src/emu/debug/debugcmd.cpp
+++ b/src/emu/debug/debugcmd.cpp
@@ -2931,8 +2931,7 @@ void debugger_commands::execute_symlist(int ref, const std::vector<std::string>
 	symbol_table *symtable;
 	int symnum, count = 0;
 
-
-	if (!params[0].empty())
+	if (!params.empty())
 	{
 		/* validate parameters */
 		if (!validate_cpu_parameter(params[0].c_str(), cpu))