Add (unsupported experimental) feature allowing byte aligned bitcode.

unittests/Bitcode/NaClBitstreamReaderTest.cpp

Index: unittests/Bitcode/NaClBitstreamReaderTest.cpp
diff --git a/unittests/Bitcode/NaClBitstreamReaderTest.cpp b/unittests/Bitcode/NaClBitstreamReaderTest.cpp
index a2a275a57dd785f88b5869a906f465d9ac7f7461..b181b25a134985133dc441db737fb124e0df4b29 100644
--- a/unittests/Bitcode/NaClBitstreamReaderTest.cpp
+++ b/unittests/Bitcode/NaClBitstreamReaderTest.cpp
@@ -55,7 +55,8 @@ TEST(NaClBitstreamTest, CursorOnDefaultReaderAtBitZero) {
 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)))
@@ -67,7 +68,8 @@ 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)))