Add (unsupported experimental) feature allowing byte aligned bitcode.

unittests/Bitcode/NaClBitstreamReaderTest.cpp

 //===- llvm/unittest/Bitcode/NaClBitstreamReaderTest.cpp ------------------===//
 //     Tests issues in NaCl Bitstream Reader.
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 
@@ skipping 37 matching lines @@
       new (InitAltOnes(CursorMemory, sizeof(NaClBitstreamCursor)))
       NaClBitstreamCursor(Reader);
   EXPECT_EQ(BitZero, Cursor->GetCurrentBitNo());
 }
 
 // Tests that when we initialize the bitstream cursor with an array-filled
 // bitstream reader, the cursor is at bit zero.
 TEST(NaClBitstreamTest, ReaderCursorAtBitZero) {
   static const size_t BufferSize = 12;
   unsigned char Buffer[BufferSize];
-  NaClBitstreamReader Reader(Buffer, Buffer+BufferSize);
+  NaClBitstreamReader Reader(
+      getNonStreamedMemoryObject(Buffer, Buffer+BufferSize));
   uint8_t CursorMemory[sizeof(NaClBitstreamCursor)];
   NaClBitstreamCursor *Cursor =
       new (InitAltOnes(CursorMemory, sizeof(NaClBitstreamCursor)))
       NaClBitstreamCursor(Reader);
   EXPECT_EQ(BitZero, Cursor->GetCurrentBitNo());
 }
 
 TEST(NaClBitstreamTest, CursorAtReaderInitialAddress) {
   static const size_t BufferSize = 12;
   static const size_t InitialAddress = 8;
   unsigned char Buffer[BufferSize];
-  NaClBitstreamReader Reader(Buffer, Buffer+BufferSize, InitialAddress);
+  NaClBitstreamReader Reader(
+      getNonStreamedMemoryObject(Buffer, Buffer+BufferSize), InitialAddress);
   uint8_t CursorMemory[sizeof(NaClBitstreamCursor)];
   NaClBitstreamCursor *Cursor =
       new (InitAltOnes(CursorMemory, sizeof(NaClBitstreamCursor)))
       NaClBitstreamCursor(Reader);
   EXPECT_EQ(InitialAddress * CHAR_BIT, Cursor->GetCurrentBitNo());
 }
 
 } // end of anonymous namespace