From 19f9d0c5b4e7a43ed1395e3747a48d3d5fff116e Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Thu, 16 Sep 2021 19:43:32 +0300
Subject: [PATCH] Fix unused parameter error

---
 test/system_error_test.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/system_error_test.cpp b/test/system_error_test.cpp
index bb93ca5..d8e39e7 100644
--- a/test/system_error_test.cpp
+++ b/test/system_error_test.cpp
@@ -51,6 +51,7 @@ namespace
           << ex.what() << "\"\n";
     }
 # endif
+    (void)str;
   }
 
   const boost::uint_least32_t uvalue = 2u;