Use explicit fetch_xxx instead of --/++ to signal costly operations.

1 files changed, 2 insertions, 2 deletions

diff --git a/vespalib/src/tests/executor/threadstackexecutor_test.cpp b/vespalib/src/tests/executor/threadstackexecutor_test.cpp
index 3e092ef145f..db3c4628d2f 100644
--- a/vespalib/src/tests/executor/threadstackexecutor_test.cpp
+++ b/vespalib/src/tests/executor/threadstackexecutor_test.cpp
@@ -17,12 +17,12 @@ struct MyTask : public Executor::Task {
     static std::atomic<uint32_t> deleteCnt;
     MyTask(Gate &g, CountDownLatch &l) : gate(g), latch(l) {}
     void run() override {
-        runCnt++;
+        runCnt.fetch_add(1);
         latch.countDown();
         gate.await();
     }
     ~MyTask() {
-        deleteCnt++;
+        deleteCnt.fetch_add(1);
     }
     static void resetStats() {
         runCnt = 0;