1 files changed, 5 insertions, 0 deletions
diff --git a/include/clang/Basic/IdentifierTable.h b/include/clang/Basic/IdentifierTable.h
index 017af5caee..c9fa74ce42 100644
--- a/include/clang/Basic/IdentifierTable.h
+++ b/include/clang/Basic/IdentifierTable.h
@@ -557,6 +557,11 @@ public:
   bool operator!=(Selector RHS) const {
     return InfoPtr != RHS.InfoPtr;
   }
+
+  bool operator < (Selector RHS) const {
+    return InfoPtr < RHS.InfoPtr;
+  }
+
   void *getAsOpaquePtr() const {
     return reinterpret_cast<void*>(InfoPtr);
   }