From: Kadir Cetinkaya <kadircet@google.com>
Date: Thu, 18 Aug 2022 16:34:21 +0000 (+0200)
Subject: [clangd] Fix a tsan failure in PreambleThrottle tests
X-Git-Tag: upstream/17.0.6~36135
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7f2a079a122b5f3abd4afa6697e951616dca768b;p=platform%2Fupstream%2Fllvm.git

[clangd] Fix a tsan failure in PreambleThrottle tests
---

diff --git a/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp b/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
index 33c92b3..fd56b0d 100644
--- a/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
+++ b/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
@@ -1401,9 +1401,12 @@ TEST_F(TUSchedulerTests, PreambleThrottle) {
       }
       if (Invoke)
         Invoke();
-      if (Notify && ID == Notify->first) {
-        Notify->second->notify();
-        Notify.reset();
+      {
+        std::lock_guard<std::mutex> Lock(Mu);
+        if (Notify && ID == Notify->first) {
+          Notify->second->notify();
+          Notify.reset();
+        }
       }
       return ID;
     }