PNaCl localmod mods in LLVM to 223109 (local files only)

lib/Bitcode/NaCl/Writer/NaClValueEnumerator.h

Index: lib/Bitcode/NaCl/Writer/NaClValueEnumerator.h
diff --git a/lib/Bitcode/NaCl/Writer/NaClValueEnumerator.h b/lib/Bitcode/NaCl/Writer/NaClValueEnumerator.h
index 86b60627cc40a88d3e075394a38f08c6acf580bf..46080df2a574a07264426452074b2eb8856dd57a 100644
--- a/lib/Bitcode/NaCl/Writer/NaClValueEnumerator.h
+++ b/lib/Bitcode/NaCl/Writer/NaClValueEnumerator.h
@@ -121,7 +121,7 @@ public:
   /// \brief Inserts the give value into the set of known function forward
   /// value type refs. Returns true if the value id is added to the set.
   bool InsertFnForwardTypeRef(unsigned ValID) {
-    return FnForwardTypeRefs.insert(ValID);
+    return FnForwardTypeRefs.insert(ValID).second;
   }
 
   const ValueList &getValues() const { return Values; }