Limit the lifetime of handles in Map::UpdateCodeCache.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index a362c7afe3a82ed43db847464e48df8672eda65c..241524e3d3cab3bfd99b3a45fa4d1db54da008c6 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -7272,6 +7272,7 @@ void Map::UpdateCodeCache(Handle<Map> map,
                           Handle<Name> name,
                           Handle<Code> code) {
   Isolate* isolate = map->GetIsolate();
+  HandleScope scope(isolate);
   // Allocate the code cache if not present.
   if (map->code_cache()->IsFixedArray()) {
     Handle<Object> result = isolate->factory()->NewCodeCache();