[wasm] Misc fixes for async compilation

src/wasm/wasm-objects.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 "src/wasm/wasm-objects.h"
 #include "src/utils.h"
 
 #include "src/assembler-inl.h"
 #include "src/base/iterator.h"
 #include "src/compiler/wasm-compiler.h"
@@ skipping 949 matching lines @@
   compiled_module->set_shared(shared);
   compiled_module->set_native_context(isolate->native_context());
   compiled_module->set_code_table(code_table);
   int function_table_count =
       static_cast<int>(shared->module()->function_tables.size());
   if (function_table_count > 0) {
     compiled_module->set_signature_tables(
         maybe_signature_tables.ToHandleChecked());
     compiled_module->set_empty_function_tables(
         maybe_empty_function_tables.ToHandleChecked());
+    compiled_module->set_function_tables(
+        maybe_empty_function_tables.ToHandleChecked());
   }
   // TODO(mtrofin): we copy these because the order of finalization isn't
   // reliable, and we need these at Reset (which is called at
   // finalization). If the order were reliable, and top-down, we could instead
   // just get them from shared().
   compiled_module->set_min_mem_pages(shared->module()->min_mem_pages);
   compiled_module->set_num_imported_functions(
       shared->module()->num_imported_functions);
   return compiled_module;
 }
@@ skipping 595 matching lines @@
   if (!array->get(kWrapperInstanceObject)->IsWeakCell()) return false;
   Isolate* isolate = array->GetIsolate();
   if (!array->get(kNextInstanceWrapper)->IsUndefined(isolate) &&
       !array->get(kNextInstanceWrapper)->IsFixedArray())
     return false;
   if (!array->get(kPreviousInstanceWrapper)->IsUndefined(isolate) &&
       !array->get(kPreviousInstanceWrapper)->IsFixedArray())
     return false;
   return true;
 }