1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/include/Support/BitSetVector.h b/llvm/include/Support/BitSetVector.h
index 08bafa15806..72f55b38c4f 100644
--- a/llvm/include/Support/BitSetVector.h
+++ b/llvm/include/Support/BitSetVector.h
@@ -30,6 +30,8 @@
 #include <functional>
 #include <iostream>
 
+namespace llvm {
+
 class BitSetVector {
   enum { BITSET_WORDSIZE = sizeof(long)*8 };
 
@@ -266,4 +268,5 @@ inline bool Disjoint(const BitSetVector& set1,
   return true;
 }
 
+} // End llvm namespace
 #endif