Added code that ensures that we pass the beginning of the data buffer to

the parsing routines regardless of whether the buffer is re-aligned or not.

llvm-svn: 8693

llvm/lib/Bytecode/Reader/ReaderWrappers.cpp

@@ -106,7 +106,7 @@ BytecodeBufferReader::BytecodeBufferReader(const unsigned char *Buf,
     MustDelete = true;
   } else {
     // If we don't need to copy it over, just use the caller's copy
-    Buffer = Buf;
+    ParseBegin = Buffer = Buf;
     Length = Len;
     MustDelete = false;
   }