[builtins] Properly optimize TypedArray/DataView accessors.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 3be25f274d35850541732db7416d90882214fa96..67216907275f383be8405fe934e0c273036e3f3e 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -10236,6 +10236,19 @@ MaybeHandle<String> Name::ToFunctionName(Handle<Name> name) {
   return builder.Finish();
 }
 
+// static
+MaybeHandle<String> Name::ToFunctionName(Handle<Name> name,
+                                         Handle<String> prefix) {
+  Handle<String> name_string;
+  Isolate* const isolate = name->GetIsolate();
+  ASSIGN_RETURN_ON_EXCEPTION(isolate, name_string, ToFunctionName(name),
+                             String);
+  IncrementalStringBuilder builder(isolate);
+  builder.AppendString(prefix);
+  builder.AppendCharacter(' ');
+  builder.AppendString(name_string);
+  return builder.Finish();
+}
 
 namespace {