[wasm] Complete separation of compilation and instantiation

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index f835e56d9cf85e3f2999d7d9641faae0bf953333..106cebfc67ba2bce49c44e33da4ac35fa2d99024 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -2307,12 +2307,24 @@ Handle<Object> FixedArray::get(FixedArray* array, int index, Isolate* isolate) {
   return handle(array->get(index), isolate);
 }
 
+template <class T>
+MaybeHandle<T> FixedArray::GetValueOrNull(int index) const {
+  Object* obj = get(index);
+  if (obj->IsUndefined(GetIsolate())) return MaybeHandle<T>();
+  return Handle<T>(T::cast(obj));
+}
+
+template <class T>
+Handle<T> FixedArray::GetValue(int index) const {
+  Object* obj = get(index);
+  CHECK(!obj->IsUndefined(GetIsolate()));
+  return Handle<T>(T::cast(obj));
+}
 
 bool FixedArray::is_the_hole(int index) {
   return get(index) == GetHeap()->the_hole_value();
 }
 
-
 void FixedArray::set(int index, Smi* value) {
   DCHECK(map() != GetHeap()->fixed_cow_array_map());
   DCHECK(index >= 0 && index < this->length());
@@ -3960,6 +3972,9 @@ byte ByteArray::get(int index) {
   return READ_BYTE_FIELD(this, kHeaderSize + index * kCharSize);
 }
 
+const byte* ByteArray::data() const {
+  return reinterpret_cast<const byte*>(FIELD_ADDR_CONST(this, kHeaderSize));
+}
 
 void ByteArray::set(int index, byte value) {
   DCHECK(index >= 0 && index < this->length());