[Test] Add C++ tsan test (#17875)

.bazelrc

@@ -80,6 +80,7 @@ build:manylinux2010 --linkopt="-lrt"
 build:tsan --strip=never
 build:tsan --copt -fsanitize=thread
 build:tsan --copt -DTHREAD_SANITIZER
+build:tsan --copt -O2
 build:tsan --copt -g
 build:tsan --copt -fno-omit-frame-pointer
 build:tsan --linkopt -fsanitize=thread

.buildkite/pipeline.yml

@@ -159,6 +159,18 @@
       --test_tag_filters=-flaky
       -- //:all -//:core_worker_test -//:logging_test
 
+- label: ":cpp: Tests (TSAN)"
+  commands:
+    - cleanup() { if [ "${BUILDKITE_PULL_REQUEST}" = "false" ]; then ./ci/travis/upload_build_info.sh; fi }; trap cleanup EXIT
+    - bazel test --config=ci --config=tsan $(./scripts/bazel_export_options)
+      --build_tests_only
+      --jobs=2
+      --test_tag_filters=-flaky
+      -- //:all -//:core_worker_test -//:event_test -//:gcs_actor_manager_test
+      -//:gcs_placement_group_manager_test -//:gcs_placement_group_scheduler_test
+      -//:gcs_server_rpc_test -//:gcs_server_test -//:global_state_accessor_test
+      -//:metric_exporter_client_test -//:stats_test -//:worker_pool_test
+
 - label: ":serverless: Dashboard + Serve Tests"
   conditions:
     [