SERVER-29517 Fix data race by making ViewGraph::_idCounter non-static.r3.4.5-rc4r3.4.5

(cherry picked from commit e2376ccbb43d3fb2579995a55ebf82f7c16fcb4f)

2 files changed, 1 insertions, 2 deletions

diff --git a/src/mongo/db/views/view_graph.cpp b/src/mongo/db/views/view_graph.cpp
index fc40fc4720a..7c613fba9ab 100644
--- a/src/mongo/db/views/view_graph.cpp
+++ b/src/mongo/db/views/view_graph.cpp
@@ -41,7 +41,6 @@ namespace mongo {
 const int ViewGraph::kMaxViewPipelineSizeBytes = 16 * 1000 * 1000;
 
 const int ViewGraph::kMaxViewDepth = 20;
-uint64_t ViewGraph::_idCounter = 0;
 
 void ViewGraph::clear() {
     _graph.clear();
diff --git a/src/mongo/db/views/view_graph.h b/src/mongo/db/views/view_graph.h
index 8f0e3c8c140..946cb9cb2ca 100644
--- a/src/mongo/db/views/view_graph.h
+++ b/src/mongo/db/views/view_graph.h
@@ -179,6 +179,6 @@ private:
     // Maps node ids to nodes. There is a 1-1 correspondence with _namespaceIds, hence the lifetime
     // of a node is the same as the lifetime as its corresponding node id.
     stdx::unordered_map<uint64_t, Node> _graph;
-    static uint64_t _idCounter;
+    uint64_t _idCounter = 0;
 };
 }  // namespace mongo