Explicitly Disallow heap allocation when wasm memory references are updated

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 "src/base/atomic-utils.h"
 #include "src/macro-assembler.h"
 #include "src/objects.h"
 #include "src/property-descriptor.h"
 #include "src/v8.h"
 
@@ skipping 1250 matching lines @@
 }
 
 WasmDebugInfo* GetDebugInfo(JSObject* wasm) {
   Object* info = wasm->GetInternalField(kWasmDebugInfo);
   if (!info->IsUndefined(wasm->GetIsolate())) return WasmDebugInfo::cast(info);
   Handle<WasmDebugInfo> new_info = WasmDebugInfo::New(handle(wasm));
   wasm->SetInternalField(kWasmDebugInfo, *new_info);
   return *new_info;
 }
 
-bool UpdateWasmModuleMemory(JSObject* object, Address old_start,
+bool UpdateWasmModuleMemory(Handle<JSObject> object, Address old_start,
                             Address new_start, uint32_t old_size,
                             uint32_t new_size) {
-  if (!IsWasmObject(object)) {
+  DisallowHeapAllocation no_allocation;
+  if (!IsWasmObject(*object)) {
     return false;
   }
 
   // Get code table associated with the module js_object
   Object* obj = object->GetInternalField(kWasmModuleCodeTable);
   Handle<FixedArray> code_table(FixedArray::cast(obj));
 
   // Iterate through the code objects in the code table and update relocation
   // information
   for (int i = 0; i < code_table->length(); i++) {
@@ skipping 83 matching lines @@
     return static_cast<int32_t>(HeapNumber::cast(*result)->value());
   }
   thrower.Error("WASM.compileRun() failed: Return value should be number");
   return -1;
 }
 
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8