[Interpreter] Add BytecodeArray class and add to SharedFunctionInfo.

test/cctest/test-heap.cc

Index: test/cctest/test-heap.cc
diff --git a/test/cctest/test-heap.cc b/test/cctest/test-heap.cc
index b6b96adcaf36ce924fdcd7c7cc964811f7dc4221..387829bfa5e8d7fe8af7707afc599b9182da9157 100644
--- a/test/cctest/test-heap.cc
+++ b/test/cctest/test-heap.cc
@@ -556,6 +556,47 @@ TEST(DeleteWeakGlobalHandle) {
 }
 
 
+TEST(BytecodeArray) {
+  static const uint8_t kRawBytes[] = { 0xc3, 0x7e, 0xa5, 0x5a };
+  static const int kFrameSize = 32;
+  static const int kNumberOfLocals = 20;
+
+  CcTest::InitializeVM();
+  Isolate* isolate = CcTest::i_isolate();
+  Heap* heap = isolate->heap();
+  Factory* factory = isolate->factory();
+  HandleScope scope(isolate);
+
+  // Allocate and initialize BytecodeArray
+  Handle<BytecodeArray> array =
+      factory->NewBytecodeArray(sizeof(kRawBytes), kRawBytes);
+
+  array->set_frame_size(kFrameSize);
+  array->set_number_of_locals(kNumberOfLocals);
+
+  CHECK(array->IsBytecodeArray());
+  CHECK_EQ(array->length(), sizeof(kRawBytes));
+
+  for (int i = 0; i < sizeof(kRawBytes); i++) {
+    CHECK_EQ(array->get(i), kRawBytes[i]);
+    CHECK_EQ(array->GetFirstBytecodeAddress()[i], kRawBytes[i]);
+  }
+
+  // Full garbage collection
+  heap->CollectAllGarbage();
+
+  // BytecodeArray should survive
+  CHECK_EQ(array->length(), sizeof(kRawBytes));
+  CHECK_EQ(array->number_of_locals(), kNumberOfLocals);
+  CHECK_EQ(array->frame_size(), kFrameSize);
+
+  for (int i = 0; i < sizeof(kRawBytes); i++) {
+    CHECK_EQ(array->get(i), kRawBytes[i]);
+    CHECK_EQ(array->GetFirstBytecodeAddress()[i], kRawBytes[i]);
+  }
+}
+
+
 static const char* not_so_random_string_table[] = {
   "abstract",
   "boolean",