diff --git a/include/llvm/Support/COFF.h b/include/llvm/Support/COFF.h
index bdcadf6e9f7..78254ae9921 100644
--- a/include/llvm/Support/COFF.h
+++ b/include/llvm/Support/COFF.h
@@ -72,6 +72,12 @@ namespace COFF {
     SF_WeakReference = 0x01000000
   };
 
+  enum SymbolSectionNumber {
+    IMAGE_SYM_DEBUG     = -2,
+    IMAGE_SYM_ABSOLUTE  = -1,
+    IMAGE_SYM_UNDEFINED = 0
+  };
+
   /// Storage class tells where and what the symbol represents
   enum SymbolStorageClass {
     IMAGE_SYM_CLASS_END_OF_FUNCTION  = -1,  ///< Physical end of function
@@ -133,7 +139,7 @@ namespace COFF {
     IMAGE_SYM_DTYPE_ARRAY    = 3, ///< An array of base type.
     
     /// Type is formed as (base + (derived << SCT_COMPLEX_TYPE_SHIFT))
-    SCT_COMPLEX_TYPE_SHIFT   = 4
+    SCT_COMPLEX_TYPE_SHIFT   = 8
   };
 
   struct section {