[clangd] Fix a TSAN warning in TUSchedulerTests

llvm-svn: 360336

1 files changed, 6 insertions, 2 deletions

diff --git a/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp b/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
index a7d032ccc57..1b51bd78a3f 100644
--- a/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
+++ b/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
@@ -673,10 +673,14 @@ TEST_F(TUSchedulerTests, TUStatus) {
       AllStatus.push_back(Status);
     }
 
-    std::vector<TUStatus> AllStatus;
+    std::vector<TUStatus> allStatus() {
+      std::lock_guard<std::mutex> Lock(Mutex);
+      return AllStatus;
+    }
 
   private:
     std::mutex Mutex;
+    std::vector<TUStatus> AllStatus;
   } CaptureTUStatus;
   MockFSProvider FS;
   MockCompilationDatabase CDB;
@@ -693,7 +697,7 @@ TEST_F(TUSchedulerTests, TUStatus) {
 
   ASSERT_TRUE(Server.blockUntilIdleForTest());
 
-  EXPECT_THAT(CaptureTUStatus.AllStatus,
+  EXPECT_THAT(CaptureTUStatus.allStatus(),
               ElementsAre(
                   // Statuses of "Update" action.
                   TUState(TUAction::RunningAction, "Update"),