From 6e243e2f5c320512459f8974e4d2fed59f5cbfb3 Mon Sep 17 00:00:00 2001
From: Patrick Mackinlay <pmackinlay@hotmail.com>
Date: Wed, 5 Jun 2024 08:57:45 +0700
Subject: debug: fix MT#08870, debugger tracesym regression

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

diff --git a/src/emu/debug/debugcmd.cpp b/src/emu/debug/debugcmd.cpp
index ad463ace500..724102cb8ec 100644
--- a/src/emu/debug/debugcmd.cpp
+++ b/src/emu/debug/debugcmd.cpp
@@ -739,7 +739,8 @@ void debugger_commands::execute_tracesym(const std::vector<std::string_view> &pa
 
 	// build parameters for printf
 	std::vector<std::string_view> printf_params(params);
-	printf_params.insert(printf_params.begin(), format.str());
+	auto const format_str = format.str(); // HACK: workaround for pre-C++20 str()
+	printf_params.insert(printf_params.begin(), format_str);
 
 	// then do a printf
 	std::ostringstream buffer;
-- 
cgit v1.2.3