1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegAlloc/RegClass.h b/llvm/lib/CodeGen/RegAlloc/RegClass.h
index c861fbae210..0071f7c2129 100644
--- a/llvm/lib/CodeGen/RegAlloc/RegClass.h
+++ b/llvm/lib/CodeGen/RegAlloc/RegClass.h
@@ -20,6 +20,9 @@
 #include "llvm/Target/TargetRegInfo.h"
 #include "InterferenceGraph.h"
 #include <stack>
+
+namespace llvm {
+
 class TargetRegClassInfo;
 
 
@@ -139,4 +142,6 @@ class RegClass {
   void printIG();
 };
 
+} // End llvm namespace
+
 #endif