[regexp] Fix smi receiver in stack accessors

src/accessors.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/accessors.h"
 
 #include "src/api.h"
 #include "src/contexts.h"
 #include "src/deoptimizer.h"
 #include "src/execution.h"
@@ skipping 1184 matching lines @@
 
   MaybeHandle<Object> result = ClearInternalStackTrace(isolate, holder);
   if (result.is_null()) {
     isolate->OptionalRescheduleException(false);
     return;
   }
 
   // If stack is still an accessor (this could have changed in the meantime
   // since FormatStackTrace can execute arbitrary JS), replace it with a data
   // property.
-  Handle<Object> receiver = Utils::OpenHandle(*info.This());
+  Handle<Object> receiver =
+      Utils::OpenHandle(*v8::Local<v8::Value>(info.This()));
   Handle<Name> name = Utils::OpenHandle(*key);
   if (IsAccessor(receiver, name, holder)) {
     result = ReplaceAccessorWithDataProperty(isolate, receiver, holder, name,
                                              formatted_stack_trace);
     if (result.is_null()) {
       isolate->OptionalRescheduleException(false);
       return;
     }
   } else {
     // The stack property has been modified in the meantime.
     if (!JSObject::GetProperty(holder, name).ToHandle(&formatted_stack_trace)) {
       isolate->OptionalRescheduleException(false);
       return;
     }
   }
 
   v8::Local<v8::Value> value = Utils::ToLocal(formatted_stack_trace);
   info.GetReturnValue().Set(value);
 }
 
 void Accessors::ErrorStackSetter(
     v8::Local<v8::Name> name, v8::Local<v8::Value> val,
     const v8::PropertyCallbackInfo<v8::Boolean>& info) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate());
   HandleScope scope(isolate);
-  Handle<JSObject> obj =
-      Handle<JSObject>::cast(Utils::OpenHandle(*info.This()));
+  Handle<JSObject> obj = Handle<JSObject>::cast(
+      Utils::OpenHandle(*v8::Local<v8::Value>(info.This())));
 
   // Clear internal properties to avoid memory leaks.
   Handle<Symbol> stack_trace_symbol = isolate->factory()->stack_trace_symbol();
   if (JSReceiver::HasOwnProperty(obj, stack_trace_symbol).FromMaybe(false)) {
     ClearInternalStackTrace(isolate, obj);
   }
 
   Accessors::ReconfigureToDataProperty(name, val, info);
 }
 
 Handle<AccessorInfo> Accessors::ErrorStackInfo(Isolate* isolate,
                                                PropertyAttributes attributes) {
   Handle<AccessorInfo> info =
       MakeAccessor(isolate, isolate->factory()->stack_string(),
                    &ErrorStackGetter, &ErrorStackSetter, attributes);
   return info;
 }
 
 }  // namespace internal
 }  // namespace v8