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

Message ID 20230824124549.443683-1-jwakely@redhat.com
State Unresolved
Headers
Series [committed] libstdc++: Fix -Wunused-but-set-variable in std::format_to test |

Checks

Context Check Description
snail/gcc-patch-check warning Git am fail log

Commit Message

Jonathan Wakely Aug. 24, 2023, 12:45 p.m. UTC 
  Tested x86_64-linux. Pushed to trunk.

-- >8 --

libstdc++-v3/ChangeLog:

	* testsuite/std/format/functions/format_to.cc: Avoid warning for
	unused variables.
---
 libstdc++-v3/testsuite/std/format/functions/format_to.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
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Patch

diff --git a/libstdc++-v3/testsuite/std/format/functions/format_to.cc b/libstdc++-v3/testsuite/std/format/functions/format_to.cc
index a35568954e2..c5c3c503625 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!" );
 }