Classes: Fix issue with default constructor crash

src/bootstrapper.cc

 // Copyright 2014 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/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
 #include "src/extensions/free-buffer-extension.h"
@@ skipping 1554 matching lines @@
   INSTALL_NATIVE(JSFunction, "ArrayValues", array_values_iterator);
 
 #define INSTALL_NATIVE_FUNCTIONS_FOR(id, descr) InstallNativeFunctions_##id();
 
   SHIPPING_FEATURES(INSTALL_NATIVE_FUNCTIONS_FOR)
 #undef INSTALL_NATIVE_FUNCTIONS_FOR
 }
 
 
 void Genesis::InstallExperimentalNativeFunctions() {
-  if (FLAG_harmony_proxies) {
-    INSTALL_NATIVE(JSFunction, "DerivedHasTrap", derived_has_trap);
-    INSTALL_NATIVE(JSFunction, "DerivedGetTrap", derived_get_trap);
-    INSTALL_NATIVE(JSFunction, "DerivedSetTrap", derived_set_trap);
-    INSTALL_NATIVE(JSFunction, "ProxyEnumerate", proxy_enumerate);
-  }
-
 #define INSTALL_NATIVE_FUNCTIONS_FOR(id, descr) InstallNativeFunctions_##id();
 
   HARMONY_FEATURES(INSTALL_NATIVE_FUNCTIONS_FOR)
   STAGED_FEATURES(INSTALL_NATIVE_FUNCTIONS_FOR)
   INSTALL_NATIVE_FUNCTIONS_FOR(harmony_proxies, "")
 #undef INSTALL_NATIVE_FUNCTIONS_FOR
 }
 
 
 #define EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(id) \
   void Genesis::InstallNativeFunctions_##id() {}
 
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_scoping)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_modules)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_strings)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_arrays)
-EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_classes)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_object_literals)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_regexps)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_arrow_functions)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_numeric_literals)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_tostring)
 
 
+void Genesis::InstallNativeFunctions_harmony_classes() {
+  if (FLAG_harmony_classes) {
+    INSTALL_NATIVE(JSFunction, "DefaultConstructor", default_constructor);
+    INSTALL_NATIVE(JSFunction, "DefaultConstructorNoSuper",
+                   default_constructor_no_super);
+  }
+}
+
+
 void Genesis::InstallNativeFunctions_harmony_proxies() {
   if (FLAG_harmony_proxies) {
     INSTALL_NATIVE(JSFunction, "DerivedHasTrap", derived_has_trap);
     INSTALL_NATIVE(JSFunction, "DerivedGetTrap", derived_get_trap);
     INSTALL_NATIVE(JSFunction, "DerivedSetTrap", derived_set_trap);
     INSTALL_NATIVE(JSFunction, "ProxyEnumerate", proxy_enumerate);
   }
 }
 
 #undef INSTALL_NATIVE
@@ skipping 1200 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 } }  // namespace v8::internal