From: Jonathan Wakely <jwakely@redhat.com>
Date: Thu, 24 Aug 2023 10:42:17 +0000 (+0100)
Subject: libstdc++: Fix -Wunused-but-set-variable in std::format_to test
X-Git-Tag: basepoints/gcc-15~6683
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6271d600d5a181b37093c8984990806a743f16a;p=thirdparty%2Fgcc.git

libstdc++: Fix -Wunused-but-set-variable in std::format_to test

libstdc++-v3/ChangeLog:

	* testsuite/std/format/functions/format_to.cc: Avoid warning for
	unused variables.
---

diff --git a/libstdc++-v3/testsuite/std/format/functions/format_to.cc b/libstdc++-v3/testsuite/std/format/functions/format_to.cc
index a35568954e2c..c5c3c503625c 100644
--- a/libstdc++-v3/testsuite/std/format/functions/format_to.cc
+++ b/libstdc++-v3/testsuite/std/format/functions/format_to.cc
@@ -69,14 +69,14 @@ test_move_only()
 {
   std::string str;
   move_only_iterator mo(std::back_inserter(str));
-  auto res = std::format_to(std::move(mo), "for{:.3} that{:c}",
-				     "matte", (int)'!');
+  [[maybe_unused]] auto res
+    = std::format_to(std::move(mo), "for{:.3} that{:c}", "matte", (int)'!');
   VERIFY( str == "format that!" );
 
   std::vector<wchar_t> vec;
   move_only_iterator wmo(std::back_inserter(vec));
-  auto wres = std::format_to(std::move(wmo), L"for{:.3} hat{:c}",
-				       L"matte", (long)L'!');
+  [[maybe_unused]] auto wres
+    = std::format_to(std::move(wmo), L"for{:.3} hat{:c}", L"matte", (long)L'!');
   VERIFY( std::wstring_view(vec.data(), vec.size()) == L"format hat!" );
 }