[modules] Basic support of exports

src/heap/heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/heap/heap.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/ast/context-slot-cache.h"
 #include "src/base/bits.h"
@@ skipping 2267 matching lines @@
     ALLOCATE_MAP((instance_type), (size), field_name);          \
     field_name##_map()->SetConstructorFunctionIndex(            \
         (constructor_function_index));                          \
   }
 
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, fixed_cow_array)
     fixed_cow_array_map()->set_elements_kind(FAST_HOLEY_ELEMENTS);
     DCHECK_NE(fixed_array_map(), fixed_cow_array_map());
 
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, scope_info)
+    ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, module_info_entry)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, module_info)
+    ALLOCATE_MAP(JS_MODULE_TYPE, JSModule::kSize, js_module)
     ALLOCATE_PRIMITIVE_MAP(HEAP_NUMBER_TYPE, HeapNumber::kSize, heap_number,
                            Context::NUMBER_FUNCTION_INDEX)
     ALLOCATE_MAP(MUTABLE_HEAP_NUMBER_TYPE, HeapNumber::kSize,
                  mutable_heap_number)
     ALLOCATE_PRIMITIVE_MAP(SYMBOL_TYPE, Symbol::kSize, symbol,
                            Context::SYMBOL_FUNCTION_INDEX)
 #define ALLOCATE_SIMD128_MAP(TYPE, Type, type, lane_count, lane_type) \
   ALLOCATE_PRIMITIVE_MAP(SIMD128_VALUE_TYPE, Type::kSize, type,       \
                          Context::TYPE##_FUNCTION_INDEX)
     SIMD128_TYPES(ALLOCATE_SIMD128_MAP)
@@ skipping 4211 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8