[wasm] Fix for cloning module heap size value

src/wasm/wasm-module.cc

 // Copyright 2015 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 <memory>
 
 #include "src/base/atomic-utils.h"
 #include "src/code-stubs.h"
 
 #include "src/macro-assembler.h"
@@ skipping 1279 matching lines @@
           case Code::JS_TO_WASM_FUNCTION:
           case Code::WASM_FUNCTION: {
             Handle<Code> code = factory->CopyCode(orig_code);
             code_table->set(i, *code);
             break;
           }
           default:
             UNREACHABLE();
         }
       }
+      Handle<HeapNumber> size_as_object = factory->NewHeapNumber(
+          static_cast<double>(
+              compiled_module->GetValueChecked<HeapNumber>(isolate, kMemSize)
+                  ->value()),
+          MUTABLE, TENURED);
+      compiled_module->set(kMemSize, *size_as_object);
       RecordStats(isolate, code_table);
     } else {
       // There was no owner, so we can reuse the original.
       compiled_module = original;
     }
     compiled_module->set(kCodeTable, *code_table);
   }
 
   //--------------------------------------------------------------------------
   // Allocate the instance object.
@@ skipping 539 matching lines @@
   FixedArray* compiled_module =
       FixedArray::cast(instance->GetInternalField(kWasmCompiledModule));
   CHECK_NOT_NULL(GetModuleObject(compiled_module));
   CHECK(GetModuleObject(compiled_module)->cleared());
 }
 
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8