diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9156e3b1bf0..a3d3884665b 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2019-09-01  François Dumont  <fdumont@gcc.gnu.org>
+
+	* testsuite_files/util/testsuite_performance.h
+	(resource_counter::start): Ignore unused malloc(0) result.
+
 2019-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
diff --git a/libstdc++-v3/testsuite/util/testsuite_performance.h b/libstdc++-v3/testsuite/util/testsuite_performance.h
index fd163914d99..086dcc7ada4 100644
--- a/libstdc++-v3/testsuite/util/testsuite_performance.h
+++ b/libstdc++-v3/testsuite/util/testsuite_performance.h
@@ -167,7 +167,7 @@ namespace __gnu_test
     {
       if (getrusage(who, &rusage_begin) != 0 )
 	memset(&rusage_begin, 0, sizeof(rusage_begin));
-      malloc(0); // Needed for some implementations.
+      void* p __attribute__((unused)) = malloc(0); // Needed for some implementations.
       allocation_begin = mallinfo();
     }