1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/Support/VirtualFileSystem.cpp b/llvm/lib/Support/VirtualFileSystem.cpp
index 25d057b..d381d79 100644
--- a/llvm/lib/Support/VirtualFileSystem.cpp
+++ b/llvm/lib/Support/VirtualFileSystem.cpp
@@ -749,8 +749,7 @@ public:
   }
 
   InMemoryNode *addChild(StringRef Name, std::unique_ptr<InMemoryNode> Child) {
-    return Entries.insert(make_pair(Name.str(), std::move(Child)))
-        .first->second.get();
+    return Entries.emplace(Name, std::move(Child)).first->second.get();
   }
 
   using const_iterator = decltype(Entries)::const_iterator;