Rebased PNaCl localmods in LLVM to 223109

include/llvm/Bitcode/ReaderWriter.h

Index: include/llvm/Bitcode/ReaderWriter.h
diff --git a/include/llvm/Bitcode/ReaderWriter.h b/include/llvm/Bitcode/ReaderWriter.h
index 2e8cdc737ed0bd72183a768c02138207a27a201c..ce8332579138cee5c0a4dd556beadcd618ba1744 100644
--- a/include/llvm/Bitcode/ReaderWriter.h
+++ b/include/llvm/Bitcode/ReaderWriter.h
@@ -21,10 +21,10 @@
 
 namespace llvm {
   class BitstreamWriter;
-  class DataStreamer;
   class LLVMContext;
   class Module;
   class ModulePass;
+  class StreamingMemoryObject; // @LOCALMOD
   class raw_ostream;
 
   /// Read the header of the specified bitcode buffer and prepare for lazy
@@ -38,7 +38,8 @@ namespace llvm {
   /// On error, this returns null, and fills in *ErrMsg with an error
   /// description if ErrMsg is non-null.
   Module *getStreamedBitcodeModule(const std::string &name,
-                                   DataStreamer *streamer,
+                                   // @LOCALMOD
+                                   StreamingMemoryObject *streamer,
                                    LLVMContext &Context,
                                    std::string *ErrMsg = nullptr);