ES6: Desugaring of instanceof to support @@hasInstance

src/ast/ast-value-factory.cc

Index: src/ast/ast-value-factory.cc
diff --git a/src/ast/ast-value-factory.cc b/src/ast/ast-value-factory.cc
index 2e17fbcfafdedbd023d89addbebd7cbea49a39b0..189d4cc0f5103360adbc4ed043ac06df943b82f9 100644
--- a/src/ast/ast-value-factory.cc
+++ b/src/ast/ast-value-factory.cc
@@ -172,6 +172,8 @@ void AstValue::Internalize(Isolate* isolate) {
       if (symbol_name_[0] == 'i') {
         DCHECK_EQ(0, strcmp(symbol_name_, "iterator_symbol"));
         value_ = isolate->factory()->iterator_symbol();
+      } else if (strcmp(symbol_name_, "hasInstance_symbol") == 0) {
+        value_ = isolate->factory()->has_instance_symbol();
       } else {
         DCHECK_EQ(0, strcmp(symbol_name_, "home_object_symbol"));
         value_ = isolate->factory()->home_object_symbol();