diff --git a/lib/CodeGen/RegAlloc/IGNode.h b/lib/CodeGen/RegAlloc/IGNode.h
index 6743a908306..ddb70746fc5 100644
--- a/lib/CodeGen/RegAlloc/IGNode.h
+++ b/lib/CodeGen/RegAlloc/IGNode.h
@@ -25,6 +25,7 @@
 #define IGNODE_H
 
 #include "LiveRange.h"
+#include <vector>
 class RegClass;
 
 //----------------------------------------------------------------------------
diff --git a/lib/Target/SparcV9/RegAlloc/IGNode.h b/lib/Target/SparcV9/RegAlloc/IGNode.h
index 6743a908306..ddb70746fc5 100644
--- a/lib/Target/SparcV9/RegAlloc/IGNode.h
+++ b/lib/Target/SparcV9/RegAlloc/IGNode.h
@@ -25,6 +25,7 @@
 #define IGNODE_H
 
 #include "LiveRange.h"
+#include <vector>
 class RegClass;
 
 //----------------------------------------------------------------------------