tst_bench_QCryptographicHash: swallow result() return values

As usual, assign them to a [[maybe_unused]] variable, to avoid
potential future [[nodiscard]] problems, and to indicate to
readers of the code that there's a result that's being returned,
we're just not interested in it.

Change-Id: I2bd47ca98418092ca885d50a1a6417a21a612a85
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
(cherry picked from commit 25c5452c260b2e5033a3f7519f85f61eaa053632)
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/tests/benchmarks/corelib/tools/qcryptographichash/main.cpp b/tests/benchmarks/corelib/tools/qcryptographichash/main.cpp
index 6bbf39019b..6593bca057 100644
--- a/tests/benchmarks/corelib/tools/qcryptographichash/main.cpp
+++ b/tests/benchmarks/corelib/tools/qcryptographichash/main.cpp
@@ -105,7 +105,8 @@ void tst_bench_QCryptographicHash::hash()
     QFETCH(QByteArray, data);
 
     QBENCHMARK {
-        QCryptographicHash::hash(data, algo);
+        [[maybe_unused]]
+        auto r = QCryptographicHash::hash(data, algo);
     }
 }
 
@@ -118,7 +119,8 @@ void tst_bench_QCryptographicHash::addData()
     QBENCHMARK {
         hash.reset();
         hash.addData(data);
-        hash.result();
+        [[maybe_unused]]
+        auto r = hash.result();
     }
 }
 
@@ -136,7 +138,8 @@ void tst_bench_QCryptographicHash::addDataChunked()
             hash.addData(data.constData() + 64 * i, 64);
         hash.addData(data.constData() + data.size() / 64 * 64, data.size() % 64);
 
-        hash.result();
+        [[maybe_unused]]
+        auto r = hash.result();
     }
 }