[Interpreter] Add BytecodeArray class and add to SharedFunctionInfo.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 120ca988431a99dde0471883cd51b172573e77d6..87d4dc069f5d14652822c2c349cbd826a0ec9ebf 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -648,6 +648,7 @@ bool Object::IsNumber() const {
 
 
 TYPE_CHECKER(ByteArray, BYTE_ARRAY_TYPE)
+TYPE_CHECKER(BytecodeArray, BYTECODE_ARRAY_TYPE)
 TYPE_CHECKER(FreeSpace, FREE_SPACE_TYPE)
 
 
@@ -2941,6 +2942,7 @@ void SeededNumberDictionary::set_requires_slow_elements() {
 CAST_ACCESSOR(AccessorInfo)
 CAST_ACCESSOR(ArrayList)
 CAST_ACCESSOR(ByteArray)
+CAST_ACCESSOR(BytecodeArray)
 CAST_ACCESSOR(Cell)
 CAST_ACCESSOR(Code)
 CAST_ACCESSOR(CodeCacheHashTable)
@@ -5191,6 +5193,8 @@ ACCESSORS(SharedFunctionInfo, optimized_code_map, Object,
 ACCESSORS(SharedFunctionInfo, construct_stub, Code, kConstructStubOffset)
 ACCESSORS(SharedFunctionInfo, feedback_vector, TypeFeedbackVector,
           kFeedbackVectorOffset)
+ACCESSORS(SharedFunctionInfo, bytecode_array, BytecodeArray,
+          kBytecodeArrayOffset)
 #if TRACE_MAPS
 SMI_ACCESSORS(SharedFunctionInfo, unique_id, kUniqueIdOffset)
 #endif