[PATCH] D50960: [clangd] Add missing lock in the lookup.

[Haojian Wu via Phabricator via cfe-commits]

hokein created this revision.
hokein added a reviewer: ioeric.
Herald added subscribers: kadircet, arphaman, jkorous, MaskRay, ilya-biryukov.

Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D50960

Files:
  clangd/index/MemIndex.cpp


Index: clangd/index/MemIndex.cpp
===================================================================
--- clangd/index/MemIndex.cpp
+++ clangd/index/MemIndex.cpp
@@ -64,6 +64,7 @@
 
 void MemIndex::lookup(const LookupRequest &Req,
                       llvm::function_ref<void(const Symbol &)> Callback) const {
+  std::lock_guard<std::mutex> Lock(Mutex);
   for (const auto &ID : Req.IDs) {
     auto I = Index.find(ID);
     if (I != Index.end())


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